Emissions, Exhaust, Fuel Economy and Light

CARB releases results of multi-year E15 study; multiple air quality benefits with slight reduction in fuel economy

Green Car Congress

JULY 18, 2022

The California Air Resources Board (CARB) has released the results of a multiyear study evaluating exhaust emissions from the use of California Reformulated Gasoline (CaRFG) that contains 15 volume percent ethanol (E15). The study used two fuels—an E10 and E15. SULEV30, ULEV50, ULEV70, and ULEV125).

Fuel Economy

Fuel Economy Economy Fuel Ozone

Cummins ATLAS light-duty diesel surpasses fuel economy targets, with criteria emissions lower than Tier 2/Bin 2

Green Car Congress

MARCH 26, 2015

The Cummins team not only surpassed all fuel-economy targets, but also achieved criteria emissions lower than the stringent Tier 2/Bin 2 levels. —Michael Ruth, Director/Technical Project Leader, Advanced Light-Duty. Test cycle fuel economy (mpg). The original ATLAS project fuel economy targets were 22.4

Fuel Economy

Fuel Economy Economy Diesel Light

Corning expands light-duty vehicle exhaust filter capacity in Germany

Green Car Congress

NOVEMBER 1, 2014

Corning Incorporated has boosted its light-duty vehicle filter capacity at its manufacturing facility in Kaiserslautern, Germany for both gasoline and diesel engined vehicles. Diesel vehicle manufacturers are striving for greater engine performance and fuel economy while meeting Euro 6 emissions standards under a myriad of driving conditions.

Germany

Germany Exhaust Light Fuel Economy

Cummins progressing with lightweight downsized T2B2 diesel for pickup; 40% improvement in fuel economy over gasoline V8

Green Car Congress

JUNE 23, 2014

At the US Department of Energy’s (DOE’s) Annual Merit Review meeting in Washington, DC last week, Michael Ruth from Cummins noted that the DOE program target for the project is a fuel economy (CAFE) target of 26 mpg (9.05 liter) and its emission control system (ECS) without a weight penalty. Earlier post.).

Fuel Economy

Fuel Economy Economy Gasoline Downsizing

ORNL study finds multi-mode RCCI can offer 15%+ fuel economy improvements across multiple light-duty driving cycles

Green Car Congress

JANUARY 5, 2015

Drive cycle fuel economy for PFI, CDC, and multi-mode RCCI operation. Among their findings were that multi-mode RCCI has the potential to offer greater than 15% fuel economy improvement over a 2009 gasoline PFI baseline over many light-duty driving cycles, despite the lack of complete drive cycle coverage for RCCI mode.

Fuel Economy

Fuel Economy Economy Light Fuel

New Delphi Technologies 500+ bar GDi system cuts gasoline particulate emissions by up to 50%, reduces fuel consumption

Green Car Congress

MAY 16, 2019

In a paper presented at the 2019 Vienna Motor Symposium this week, Delphi Technologies will unveil a new 500+ bar GDi system that can reduce particulate emissions by up to 50% compared to state-of-the-art 350 bar system without expensive engine design modifications. Delphi 500+ bar GDi pump. Delphi 500+ bar GDi injector. —Walter Piock.

Emissions

Emissions Gasoline Fuel Exhaust

ORNL researchers quantify the effect of increasing highway speed on fuel economy

Green Car Congress

JANUARY 18, 2013

Huff Fuels, Engines and Emissions Research Center, Oak Ridge National Laboratory. This website, jointly maintained by the US Department of Energy and the US Environmental Protection Agency (EPA), provides information such as official EPA “window label” fuel economy estimates for city, highway, and combined driving for all U.S.-legal

Fuel Economy

Fuel Economy Economy Fuel MPH

Tenneco/Gentherm showcasing prototype of thermoelectric generator for waste heat recovery; targeting 5% fuel economy improvement

Green Car Congress

SEPTEMBER 11, 2013

Tenneco and Gentherm (formerly BSST/Amerigon) are part of a US Department of Energy (DOE) consortium actively developing a thermoelectric generator (TEG) for capturing waste exhaust heat in vehicles and converting it to electrical energy to be used to power electrical systems within the vehicle. —Gentherm President and CEO Daniel R.

Fuel Economy

Fuel Economy Waste Economy Fuel

Study finds engines emit exhaust nanoparticles even when not fueled during engine braking

Green Car Congress

JANUARY 19, 2014

Exhaust particle size distributions measured by ELPI (color map) and particle concentration measured by CPC (white line) during individual engine braking conditions (speed change from 32 km/h to 0 km/h). The exhaust sample was taken from the exhaust manifold. The exhaust sample was taken from the exhaust manifold.

Exhaust

Exhaust Engine Fuel Greece

Eaton says testing and use show its cylinder-deactivation technology can help commercial vehicle OEMs meet coming emissions regulations

Green Car Congress

OCTOBER 25, 2019

Eaton says it has shown in regulatory test cycles and real-world use that its cylinder-deactivation (CDA) technology can play a key role in helping commercial vehicle manufacturers meet or exceed 2024 and 2027 US emissions regulations. —Karl Sievertsen, chief technology officer, Eaton’s Vehicle Group. —Karl Sievertsen.

Eaton

Eaton Commercial Emissions San Antonio

New 2019 Toyota Avalon hybrid boosts fuel economy 10% to 44 mpg combined

Green Car Congress

APRIL 23, 2018

Toyota estimates that the 2019 Avalon Hybrid will boost fuel economy by up to 10% over its MY 2018 predecessor, from 40 mpg (5.88 liter four-cylinder Dynamic Force Engine is more fuel efficient, runs cleaner, and is more powerful than previous iterations, and excels at dissipating thermal inefficiencies. l/100 km) combined.

Fuel Economy

Fuel Economy MPG 2019 Economy

Cummins progressing toward ATLAS Tier 2 Bin 2 fuel-efficient diesel for light-duty pickups

Green Car Congress

MAY 10, 2013

In a US Department of Energy (DOE)-sponsored project, engineers at Cummins are developing a Tier 2 Bin 2 emissions compliant diesel for application in a light duty pickup (ATLAS, Advanced Technology Light Automotive Systems, earlier post ). Fuel economy targets for the vehicle are 22.4 Tailpipe emissions [g/mile].

Light

Light Diesel Fuel Fuel Economy

ICCT: incremental technology can cut vehicle CO2 by half and increase fuel economy >60% through 2030 with ~5% increase in price

Green Car Congress

MARCH 22, 2017

l/100 km) in 2016, the The ICCT team assessed increased consumer label fuel economy (as opposed to the regulatory test fuel economy) to 35 mpg (6.71 The resulting trajectory would reduce CO 2 emissions by half and increase fuel economy by more than 60% from 2016 through 2030. Source: The ICCT.

Fuel Economy

Fuel Economy Economy Fuel Price

CPT, TU Wien study finds 48V mild diesel hybrid cuts engine-out NOx 9%, 4.5% fuel economy improvement

Green Car Congress

MAY 31, 2017

A joint study by Controlled Power Technologies (CPT) and Austria’s Technische Universität Wien (TU Wien) into 48V diesel mild hybrid technology verified a 9% reduction of NO x in raw engine-out emissions, while retaining the fuel economy and CO 2 benefits of diesel engine technology.

Fuel Economy

Fuel Economy Diesel Economy Engine

ACCESS project targeting 30% improvement in fuel economy and SULEV emissions in light-duty gasoline engine; multi-mode SI/HCCI combustion

Green Car Congress

NOVEMBER 4, 2011

The A dvanced C ombustion C oncepts— E nabling S ystems and S olutions (ACCESS) is developing advanced combustion control concepts along with with an enabling system, subsystem and component level solutions for the management of multi-mode/multi-fuel combustion events. turbocharged direct injected inline 4 (based on the GM Ecotec 2.0L

Fuel Economy

Fuel Economy Gasoline Light Engine

Environment Canada study finds vehicle exhaust a significant source of isocyanic acid; suggests consideration of new emission standard

Green Car Congress

JULY 12, 2013

Researchers at Environment Canada have found that vehicle exhaust is a significant source of isocyanic acid (HNCO), a toxic gaseous acid that is a product of various forms of combustion and a potential health concern. mg kg fuel –1 and were significantly higher than previous biomass burning emission estimates.

Exhaust

Exhaust Canada Environment Emissions

Study finds catalyzed gasoline particulate filters effective at reducing particulate and PAH emissions from GDI engines

Green Car Congress

FEBRUARY 22, 2018

Top: Gravimetric PM mass, PM mass calculated based on the IPSD method, black carbon, and EC/OC emissions over the LA92 cycle. Bottom: Total particle-phase PAH emissions, expressed in ng/mile, for both test vehicles over the LA92 cycle. Yang et al. Click to enlarge.

Gasoline

Gasoline Emissions Engine Fuel Economy

MECA report finds additional NOx emission reductions from new heavy-duty trucks achievable and cost-effective

Green Car Congress

FEBRUARY 5, 2020

The transportation sector was responsible for over 7 million tons of NO x emissions in the US in 2014, with 50% of this sector’s NO x attributed to heavy-duty on- and off-road vehicles and equipment. CO 2 and NO x certification test data for heavy-duty diesel engines certified from 2002 through 2019. Source of data: US EPA (2019).

Emissions

Emissions Diesel Engine 2010

Ford unveils new Focus; 10% better fuel economy; focus on tech; gasoline and diesel

Green Car Congress

APRIL 10, 2018

Fuel-efficiency and CO 2 emissions from both EcoBoost gasoline engines are enhanced using Ford’s industry-first cylinder deactivation system for a three-cylinder engine, which can automatically stop one of the engine’s cylinders when full capacity is not needed, such as when coasting or cruising with light demand on the engine.

Fuel Economy

Fuel Economy Ford Gasoline Diesel

Update on the ACCESS fuel efficient engine project; simulations find up to 48.9% improvement in fuel economy over baseline

Green Car Congress

MAY 8, 2013

Future advanced engine and powertrain configurations must address emission and fuel economy requirements for worldwide applications, transition to bio-fuels, and synergies with future powertrain trends. improvement in fuel economy over the baseline engine for the Metro-Highway (M-H) cycle. Earlier post.).

Fuel Economy

Fuel Economy Economy Fuel Engine

ICCT-sponsored study of in-use testing of 3 Tier2-Bin5, CA LEV-II light-duty diesels finds wide variation of emissions against the limits

Green Car Congress

JUNE 2, 2014

In-use testing of three light duty diesel vehicles—certified to US-EPA Tier2-Bin5 and California LEV-II ULEV emissions limits— found a wide variation in real world emissions performance relative to the regulatory limits. diesels and one 3.0L diesel) over pre-defined test routes exhibiting diverse driving conditions.

Diesel

Diesel Emissions Light Los Angeles

Emissions testing shows Lighting Hybrids hydraulic hybrid drive delivers significant reduction in NOx, up to 18% improved fuel consumption

Green Car Congress

APRIL 21, 2015

Lightning Hybrids (LH), a provider of hydraulic hybrid drive systems for fleet vehicles such as shuttle buses, delivery vehicles and work trucks ( earlier post ), has released some results from its ongoing emissions testing with SGS Environmental Testing Corporation. Fuel savings and corresponding reductions in CO 2 emissions.

Hybrid

Hybrid Emissions Light Fuel

New 3rd generation Audi TT diesel offers fuel economy of 56 mpg

Green Car Congress

MARCH 3, 2014

Standard fuel consumption is 4.2 liters per 100 km (56 mpg US), which translates into CO 2 emissions of 110 g/km (177 g/mile). seconds; top speed is 250 km/h (155 mph); fuel consumption of 6.8 liters per 100 km (35 mpg US ) and CO2 emissions of 159 g per km (256 g/mile). In the Audi TT, the 2.0 quattro drive.

Audi

Audi Fuel Economy MPG Diesel

Toyota boosts 2023 Corolla Hybrid; starting MSRP $1,250 lower than 2022 Corolla Hybrid

Green Car Congress

OCTOBER 19, 2022

The revised hybrid system boosts output to 134 hp (up from 121) and 156 lb-ft (212 N·m) of torque (up from 146 lb-ft / 200 N·m), while EPA-estimated combined fuel economy reaches 47 mpg. The EPA combined fuel economy rating is 44 mpg. The upgraded hybrid system improves acceleration and mid-range power.

Hybrid

Hybrid Toyota Fuel Economy Economy

Recent on-road real-world emission testing in India highlights disparity between cycles, gasoline and diesel

Green Car Congress

AUGUST 14, 2017

The results highlight the disparity between test-cycles and real-world emissions as well as the large disparity between gasoline and diesel vehicles. Red dotted lines represent the corresponding Bharat Stage IV (BS IV) NO x emission standard according to vehicle type: 0.08 gNO x /km for gasoline; and 0.25 Source: The ICCT.

Gasoline

Gasoline Diesel India Emissions

Pinnacle 4-stroke opposed-piston SI engine shows fuel economy improvements of between 30-60% at light loads, 12-30% at medium loads over conventional

Green Car Congress

APRIL 24, 2012

The results represent a light-load indicated efficiency improvement of 15-30% (up to 40.9%). The test engine for the paper was a 250cc single-cylinder unit with dual-camshaft-actuated reciprocating sleeve valves for induction and exhaust. Compression ratio was set at 15:1, and the fuel used was 87 octane gasoline.

Light

Light Fuel Economy Engine Fuel

U Toronto study measures GDI emissions in urban near-road environment

Green Car Congress

FEBRUARY 5, 2016

A study of emissions from gasoline direct injection (GDI) vehicles in an urban near-road environment in Toronto over a wide range of weather conditions (February 2014 to January 2015) found that—other than for NO x and CO—the GDI engines had elevated emissions compared to the Toronto fleet. m from the roadway.

Environment

Environment Emissions Exhaust 2014

Achates Power building 2.7L opposed-piston light-duty engine; exceeding CAFE 2025, Tier 3 targets at lower cost

Green Car Congress

JANUARY 13, 2017

six-piston) light-duty version of its opposed piston engine (OPE) in both diesel- and gasoline-fueled versions. Achates will demonstrate the engine in 2018 in a driveable light-duty truck. The light-duty engine is a “basic” Achates opposed piston 2-stroke engine, said Redon—i.e., liter, 3-cylinder (i.e.,

Light

Light Engine Power Powered

Cummins introduces 5L V8 diesel for North American light- and medium-duty commercial vehicles

Green Car Congress

OCTOBER 4, 2013

a new 5-liter V8 diesel engine designed to power pickup-and-delivery vehicles, other light- and medium-duty trucks, school buses and motorhomes. will serve customers in the United States and Canada, and will be certified to US EPA 2013 NO x and PM emissions levels. The new ISV 5.0 Click to enlarge. Cummins Inc. introduced the ISV5.0,

Diesel

Diesel Light Commercial Vehicles

Range Rover Evoque and Land Rover Discovery Sport now available as PHEVs: P300e

Green Car Congress

APRIL 24, 2020

The new Range Rover Evoque and Land Rover Discovery Sport premium compact SUVs are now available with plug-in hybrid electric vehicle (PHEV) technology, with an electric-only range of up to 66 km (41 miles) and CO 2 emissions as low as 32 g/km. L/100km (147 mpg US), with CO 2 emissions of 36g/km. Range Rover Evoque PHEV.

Land Rover

Land Rover PHEV Available Range

Tenneco developing new gasoline particulate filter (GPF) technology ahead of Euro 6c emissions regulation

Green Car Congress

MARCH 31, 2015

Tenneco is leveraging its expertise in diesel particulate filter (DPF) technology to develop gasoline particulate filters for 2017 model year light vehicles. Gasoline particulate filters effectively control particulate emissions under all operating conditions.

Gasoline

Gasoline Emissions Czech Republic Exhaust

NRC Canada team investigates effect of gasoline particulate filter on PM from light-duty GDI engine

Green Car Congress

SEPTEMBER 17, 2015

A team led by researchers from the National Research Council Canada has investigated the effect of the use of a gasoline particulate filter on the size and morphology of PM emitted from a light-duty gasoline-direct-injection (GDI) vehicle over the FTP-75 and US06 transient drive cycles. Earlier post.) —Saffaripour et al.

Gasoline

Gasoline Canada Light Engine

DOE to award $49.4M for advanced vehicle technologies research; meeting Tier 3 emissions

Green Car Congress

JANUARY 22, 2014

These areas of interest apply to light, medium and heavy duty on-road vehicles. Applications need to use an integrated approach to design, develop, and optimize an assembly consisting of what would have been at least four light duty vehicle components made from traditional metals.

Emissions

Emissions Vehicles Fuel Economy Carbon Fiber

Lotus Omnivore Engine Shows Up To 10% Better Fuel Economy Than Spray-Guided GDI Engines; Achieves HCCI At Extremely Light Loads

Green Car Congress

DECEMBER 10, 2009

In addition to demonstrating better fuel consumption results than current advanced gasoline engines, the Omnivore engine has successfully demonstrated homogeneous charge compression ignition (HCCI) down to extremely light loads. Emissions results are 20 ppm NO x at less than 2.3 At 2000 rpm and up to approximately 2.7

Fuel Economy

Fuel Economy Engine Light Fuel

Transonic demonstrates supercritical gasoline operation under low load, medium load, and high speed low load conditions; simulated vehicle fuel economy of 48.8 mpg

Green Car Congress

MAY 4, 2012

Using engine test data, Transonic simulated vehicle fuel consumption for a vehicle over the NEDC drive cycle using a 4-cylinder, 1.6L Predicted fuel economy for such a vehicle equipped with the TSCi system was 48.8 port fuel injected spark ignition engine (39.1 And at light load, we have pumping losses due to throttling.

Fuel Economy

Fuel Economy Gasoline MPG Economy

Major refresh on 2015 Honda CR-V with new Earth Dreams powertrain provides fuel economy gain of up to 12%

Green Car Congress

OCTOBER 4, 2014

The 2015 CR-V features increased EPA fuel economy ratings of 27/34/29 mpg (8.7/6.9/8.1 A lightweight cylinder head made of pressure-cast aluminum alloy uses front-located exhaust ports that provide greater freedom in the layout of the close-coupled catalytic converter which mounts directly to the cylinder head. 1 (up from 10.5:1

Fuel Economy

Fuel Economy 2015 Honda Fuel

Study finds fleet switch from PFI to GDI engines will result in net reduction in global warming

Green Car Congress

MAY 12, 2017

A new study quantifying emissions from a fleet of gasoline direct injection (GDI) engines and port fuel injection (PFI) engines finds that the measured decrease in CO 2 emissions from GDIs is much greater than the potential climate forcing associated with higher black carbon emissions from GDI engines.

Fleet

Fleet Engine Global Fuel Economy

SwRI D-EGR gasoline demo vehicle delivers diesel efficiency at lower cost; potential for LEV III/Tier 3 emissions

Green Car Congress

APRIL 9, 2014

improvement in city fuel economy (24.5 Southwest Research Institute (SwRI) announced preliminary test results of its Dedicated-Exhaust Gas Recirculation (D-EGR) demonstration vehicle ( earlier post ) at the SAE 2014 World Congress in Detroit. Hydrogen-enriched exhaust is routed to the intake. mpg) and a 9.2% 2014-01-1190.

Gasoline

Gasoline Emissions Diesel Exhaust

MAHLE study finds its Turbulent Jet Ignition pre-chamber initiated combustion system can deliver HCCI-like fuel economy in a conventional PFI engine

Green Car Congress

APRIL 14, 2011

Results of this study showed that the pre-chamber jet ignition combustion system roughly matches HCCI fuel economy across both NEDC and FTP drive cycles, with a 13% improvement in fuel economy recorded over the baseline stoichiometric (λ=1) spark ignition combustion system. Click to enlarge. —Attard et al.

Fuel Economy

Fuel Economy Economy Engine Fuel

Ford study shows Rankine waste heat recovery system on a light-duty vehicle could almost meet full vehicle accessory load on highway cycle

Green Car Congress

OCTOBER 9, 2011

The Rankine cycle is widely used used commercially to generate power in stationary power plants, and is under consideration as a potential waste heat recovery system for use in both light-duty (BMW, earlier post ; Honda, earlier post ) and heavy-duty ( earlier post ) applications. on the highway cycle and 0.513 on the city cycle. in the city.

Waste

Waste Light Ford Vehicles

Ford study suggests GDI engines can meet coming California and US PM emissions standards over 150k miles; more work to be done

Green Car Congress

OCTOBER 16, 2013

PM mass emissions rates for the FTP and US06 drive cycles as function of vehicle mileage. GDI is a strategy to improve fuel efficiency that is rapidly gaining market acceptance, as illustrated by the popularity of Ford’s GDI EcoBoost engines. fuel injection timing, number of injections, fuel pressure, injector placement, etc.)

Standards

Standards Emissions Miles Engine

Delphi and partners advancing with high-efficiency, low-emission gasoline compression-ignition combustion

Green Car Congress

APRIL 25, 2012

The cylinder head of the Ricardo Hydra light-duty single-cylinder engine has four-valves with double-overhead camshafts and central injection. At a low-load condition of 1500 rpm-2 bar IMEP, Delphi used a secondary-exhaust-valve-lift event to rebreathe hot exhaust gas and promote autoignition. g/kWh and 0.1 Sellnau, M.,

Gasoline

Gasoline Emissions Exhaust Wisconsin

Progress on ATLAS: Cummins’ Tier 2 Bin 2 light duty diesel project

Green Car Congress

NOVEMBER 7, 2011

Cummins is one year into a four year program (ATLAS, Advanced Technology Light Automotive Systems) to develop, in partnership with the US Department of Energy (DOE), a new light-duty diesel truck engine that will meet Tier 2 Bin 2 (SULEV) emission requirements while achieving at least a 40% fuel economy improvement (26.1

Light

Light Diesel MPG Nissan

Toyota introduces 7th generation Camry for 2012 with improved fuel economy and performance across all models; ~39% jump in EPA city cycle fuel economy for the hybrid

Green Car Congress

AUGUST 23, 2011

The 2012 Camry again offers three powertrain choices, all of which have been enhanced for 2012 to provide better fuel economy and more responsive performance: a revised 2.5L, 4-cylinder gasoline engine; an enhanced 3.5-liter The projected city/highway/combined fuel economy for the LE model equates to 5.47, 6.03

Fuel Economy

Fuel Economy Camry Hybrid Economy 2012

CARB releases results of multi-year E15 study; multiple air quality benefits with slight reduction in fuel economy

Cummins ATLAS light-duty diesel surpasses fuel economy targets, with criteria emissions lower than Tier 2/Bin 2

Corning expands light-duty vehicle exhaust filter capacity in Germany

Cummins progressing with lightweight downsized T2B2 diesel for pickup; 40% improvement in fuel economy over gasoline V8

ORNL study finds multi-mode RCCI can offer 15%+ fuel economy improvements across multiple light-duty driving cycles

New Delphi Technologies 500+ bar GDi system cuts gasoline particulate emissions by up to 50%, reduces fuel consumption

ORNL researchers quantify the effect of increasing highway speed on fuel economy

Tenneco/Gentherm showcasing prototype of thermoelectric generator for waste heat recovery; targeting 5% fuel economy improvement

Study finds engines emit exhaust nanoparticles even when not fueled during engine braking

Eaton says testing and use show its cylinder-deactivation technology can help commercial vehicle OEMs meet coming emissions regulations

New 2019 Toyota Avalon hybrid boosts fuel economy 10% to 44 mpg combined

Cummins progressing toward ATLAS Tier 2 Bin 2 fuel-efficient diesel for light-duty pickups

ICCT: incremental technology can cut vehicle CO2 by half and increase fuel economy >60% through 2030 with ~5% increase in price

CPT, TU Wien study finds 48V mild diesel hybrid cuts engine-out NOx 9%, 4.5% fuel economy improvement

ACCESS project targeting 30% improvement in fuel economy and SULEV emissions in light-duty gasoline engine; multi-mode SI/HCCI combustion

Environment Canada study finds vehicle exhaust a significant source of isocyanic acid; suggests consideration of new emission standard

Study finds catalyzed gasoline particulate filters effective at reducing particulate and PAH emissions from GDI engines

MECA report finds additional NOx emission reductions from new heavy-duty trucks achievable and cost-effective

Ford unveils new Focus; 10% better fuel economy; focus on tech; gasoline and diesel

Update on the ACCESS fuel efficient engine project; simulations find up to 48.9% improvement in fuel economy over baseline

ICCT-sponsored study of in-use testing of 3 Tier2-Bin5, CA LEV-II light-duty diesels finds wide variation of emissions against the limits

Emissions testing shows Lighting Hybrids hydraulic hybrid drive delivers significant reduction in NOx, up to 18% improved fuel consumption

New 3rd generation Audi TT diesel offers fuel economy of 56 mpg

Toyota boosts 2023 Corolla Hybrid; starting MSRP $1,250 lower than 2022 Corolla Hybrid

Recent on-road real-world emission testing in India highlights disparity between cycles, gasoline and diesel

Pinnacle 4-stroke opposed-piston SI engine shows fuel economy improvements of between 30-60% at light loads, 12-30% at medium loads over conventional

U Toronto study measures GDI emissions in urban near-road environment

Achates Power building 2.7L opposed-piston light-duty engine; exceeding CAFE 2025, Tier 3 targets at lower cost

Cummins introduces 5L V8 diesel for North American light- and medium-duty commercial vehicles

Range Rover Evoque and Land Rover Discovery Sport now available as PHEVs: P300e

Tenneco developing new gasoline particulate filter (GPF) technology ahead of Euro 6c emissions regulation

NRC Canada team investigates effect of gasoline particulate filter on PM from light-duty GDI engine

DOE to award $49.4M for advanced vehicle technologies research; meeting Tier 3 emissions

Lotus Omnivore Engine Shows Up To 10% Better Fuel Economy Than Spray-Guided GDI Engines; Achieves HCCI At Extremely Light Loads

Transonic demonstrates supercritical gasoline operation under low load, medium load, and high speed low load conditions; simulated vehicle fuel economy of 48.8 mpg

Major refresh on 2015 Honda CR-V with new Earth Dreams powertrain provides fuel economy gain of up to 12%

Study finds fleet switch from PFI to GDI engines will result in net reduction in global warming

SwRI D-EGR gasoline demo vehicle delivers diesel efficiency at lower cost; potential for LEV III/Tier 3 emissions

MAHLE study finds its Turbulent Jet Ignition pre-chamber initiated combustion system can deliver HCCI-like fuel economy in a conventional PFI engine

Ford study shows Rankine waste heat recovery system on a light-duty vehicle could almost meet full vehicle accessory load on highway cycle

Ford study suggests GDI engines can meet coming California and US PM emissions standards over 150k miles; more work to be done

Delphi and partners advancing with high-efficiency, low-emission gasoline compression-ignition combustion

Progress on ATLAS: Cummins’ Tier 2 Bin 2 light duty diesel project

Toyota introduces 7th generation Camry for 2012 with improved fuel economy and performance across all models; ~39% jump in EPA city cycle fuel economy for the hybrid

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