Downsizing, Exhaust, Fuel Economy and Range

BorgWarner suggests Valve-Event Modulated Boost system can offer 6-17% fuel economy benefit over already downsized and turbocharged engines

Green Car Congress

MAY 9, 2012

The VEMB system uses a concentric camshaft, blow-down manifold and scavenge manifold to separate the exhaust event into two phases: high-energy blow-down to the turbo without pumping losses, and high-hydrocarbon scavenge to the EGR system. to 2 ratio points and maintain the same knock limit for an additional 3-4% improvement in fuel economy.

Fuel Economy

Fuel Economy Downsizing Economy Engine

Ford to bring 20 new engines and transmissions to China and improve fleet fuel economy by more than 20% by 2015; producing the new 1.0L EcoBoost in China

Green Car Congress

NOVEMBER 21, 2011

Utilizing technologies such as turbocharging, direct injection, twin independent variable camshaft timing (Ti-VCT) and six-speed transmissions, the upgraded powertrain portfolio will deliver more than 20% in fuel economy improvement to Ford’s passenger vehicle fleet in China by 2015 while reducing tailpipe carbon dioxide emissions by 20%.

Fuel Economy

Fuel Economy China Economy 2015

ADEPT project to apply gasoline engine HyBoost system to diesel; 48V architecture; full hybrid fuel economy at much lower cost

Green Car Congress

SEPTEMBER 4, 2013

The project aims to deliver full hybrid equivalent fuel economy and performance with less than 70 g/km CO 2 emissions as measured over the European Drive Cycle, but at a significantly lower cost. version of its vehicle (a 2009 Ford Focus) but with fuel economy and CO 2 emissions approaching those of a Prius.

Fuel Economy

Fuel Economy Diesel Economy Gasoline

Ford launching major new product push in Europe; fuel economy and 1.0L EcoBoost engine; first Ford full hybrid car for Europe

Green Car Congress

SEPTEMBER 6, 2012

At a “Go Further with Ford” event in Amsterdam, Ford Motor Company detailed plans for an aggressive product acceleration in Europe, targeting opportunities for growth in the large car, SUV and commercial vehicle segments while emphasizing fuel economy and enabling technologies such as the EcoBoost engines. New Fiesta.

Fuel Economy

Fuel Economy Europe Ford Economy

Nissan adding new 2.0L turbo to Skyline lineup in Japan

Green Car Congress

MAY 27, 2014

The new turbocharged gasoline engine achieves a superior level of engine performance with maximum power output of 155kW (211ps) while improving fuel economy with its downsized displacement. All grades of the next-generation Skyline turbo model achieve the 2015 fuel economy standard, qualifying for tax breaks.

Japan

Japan Nissan Fuel Economy Economy

Simulation study suggests ORC waste heat recovery system could deliver potential 7% improvement in fuel consumption in a PHEV on highway

Green Car Congress

OCTOBER 10, 2012

The analysis used the Ohio State University EcoCAR, a student prototype PHEV, as the basis for the preliminary fuel economy evaluation. This evolution has led to the point where achieving significant fuel savings through the introduction of new technologies has become difficult. Exhaust gas exergy map of EcoCAR engine.

Waste

Waste PHEV Fuel Exhaust

Honeywell Global Turbo Forecast projects 49M turbocharged vehicle sales, $12B revenue per year by 2019

Green Car Congress

SEPTEMBER 30, 2014

Automakers are turning to downsized turbocharged engines to satisfy more stringent global fuel economy and emission regulations and customer demand for better-performing vehicles. In addition to improving fuel efficiency, downsized turbocharged engines also reduce harmful exhaust emissions.

2019

2019 Global Sale Downsizing

Valeo acquires electric supercharger business from Controlled Power

Green Car Congress

DECEMBER 6, 2011

With this move, Valeo becomes the first automotive supplier to offer its customers a range of electric superchargers. Unlike exhaust-driven turbochargers, electric superchargers are driven by an electric motor. Highly efficient at low engine revolutions, electric superchargers make it possible to downsize engines.

Power

Power Powered Downsizing Electric

New Volkswagen Polo BlueGT with cylinder deactivation offers gasoline engine fuel economy of up to 52 mpg US

Green Car Congress

MARCH 6, 2012

This combination of efficiency and dynamic performance is enabled by the systematic interplay of ACT, downsizing (reduced engine displacement plus direct injection and charging) and BlueMotion Technology (Stop/Start system, battery regeneration). TSI of the Polo BlueGT, an exhaust camshaft adjuster is added.

MPG

MPG Fuel Economy Gasoline Engine

Ricardo to display functional integration prototype of ADEPT 48V “intelligent electrification” diesel

Green Car Congress

SEPTEMBER 9, 2014

Based on a Ford Focus, this ADEPT prototype incorporates a 48V electrical architecture, a SpeedStart 10kW (later to be upgraded to 12.5kW) belt integrated starter generator and TIGERS turbine integrated exhaust gas energy recovery system, both switched reluctance machines supplied by CPT, and an advanced lead carbon battery pack provided by EALABC.

Diesel

Diesel Downsizing Lead Acid Gasoline-Electric

Advanced ADEPT 48V affordable mild hybrid on path to meet future ultra-low vehicle emissions

Green Car Congress

JUNE 29, 2016

In addition, the integration of hybrid and emissions control systems has the potential to deliver up to a 10-12% reduction in fuel consumption, equivalent to sub-80g/km of CO 2 emissions (NEDC). Ricardo believes the above package is very competitive with other fuel economy solutions such as full hybridization.

Emissions

Emissions Hybrid Affordable Future

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

Green Car Congress

FEBRUARY 22, 2018

The found that using a GPF did not show any fuel economy and CO 2 emission penalties, while the emissions of total hydrocarbons (THC), carbon monoxide (CO), and nitrogen oxides (NOx) were generally reduced. liter downsized turbocharged centrally-mounted direct injection engine. Yang et al. Click to enlarge.

Gasoline

Gasoline Emissions Engine Fuel Economy

Ford / AVL study concludes mid-level ethanol blend attractive as a long-term future fuel for use in optimized engines in US

Green Car Congress

APRIL 19, 2013

As a result, as the ethanol content of the fuel is increased, the fuel economy and driving range for a given fuel tank size are reduced. Downsizing/downspeeding. Increased ethanol content enables improved efficiency by reducing or eliminating the need for fuel enrichment. Volumetric fuel economy.

Engine

Engine Fuel Ford Future

Eaton Highlights Range of New Products to Reduce Fuel Consumption and Emissions

Green Car Congress

SEPTEMBER 24, 2010

The diversified manufacturer also said that in addition to boosting engine performance, its superchargers can provide up to a 5% fuel savings and reduce emissions compared to competing technologies. 136 kg], which translates into improved fuel economy and enhanced performance and safety for the end consumer.

Eaton

Eaton Emissions Fuel Range

U Toronto team assess the climate trade-off between reduced CO2 and increased Black Carbon from GDI engines

Green Car Congress

JULY 14, 2016

The upside of gasoline direct injection (GDI) engines is widely seen as being improved fuel economy coupled with an increase in specific power (especially with turbocharging), enabling significant downsizing. The extent of fuel-air mixing can be affected by injection system design. Click to enlarge. mpg (10.99

Climate

Climate Engine Carbon Fuel Economy

Westport unveils proprietary enhanced spark-ignited natural gas system; up to 10% improvement in power and torque over diesel

Green Car Congress

SEPTEMBER 23, 2014

The new approach to natural gas combustion technology is designed to provide vehicle and engine original manufacturers (OEMs) with a “downsized” natural gas solution that is cost competitive while providing similar levels of power, torque, and fuel economy to a larger diesel engine.

Diesel

Diesel Gas Fuel Economy Power

Mazdas new SKYACTIV gasoline and diesel engines are steps on the road to its Ideal Engine; focus on compression ratio

Green Car Congress

AUGUST 4, 2011

Even after 120 years of non-stop development, the internal combustion engine still fails to utilize even close to the majority of the energy contained in the fuel. Extreme compression ratio rather than downsizing. Although downsizing—i.e., The full range of SKYACTIV technologies (i.e., Click to enlarge.

Mazda

Mazda Engine Gasoline Diesel

Toyota introducing new powertrain units based on TNGA; transmissions, engine, hybrid system, 4WD

Green Car Congress

FEBRUARY 26, 2018

The basic function of any transmission system is to achieve transmission efficiency, high-efficiency engine ranges, and highly responsive gear changes. To improve these functions, Toyota has striven to reduce mechanical loss, adopt a wider gear range, and improve shift tracking. Conversion to wider gear ranges. liter class.

Toyota

Toyota Engine Hybrid Gasoline-Electric

CPT launching water-cooled electric supercharger for commercial diesel engines

Green Car Congress

SEPTEMBER 12, 2012

Cobra could enable a 5–10% reduction in CO 2 emissions when implemented in conjunction with engine downsizing and down speeding strategies, and potentially more when used in conjunction with alternative fuels, according to CPT. Unlike a turbocharger, Cobra is not dependent on the exhaust gases flowing to do its work.

Water

Water Commercial Engine Diesel

Audi introduces new high-efficiency 2.0L TFSI based on Miller cycle; 190 hp, 47 mpg

Green Car Congress

MAY 8, 2015

lb-ft) from a displacement of 1,984 cc; the high torque is applied in a broad range of 1,450 to 4,400 rpm. The engine also features low fuel consumption levels of less than 5.0 The result is optimal efficiency and performance characteristics across the entire engine speed range. l/100 km (47.0 Earlier post.) Stansfield, P.,

Audi

Audi MPG Downsizing 2015

Opel presents new midsize gasoline engine at Aachen Colloquium; fuel consumption down 13%, torque and power up 33%

Green Car Congress

OCTOBER 16, 2012

The 170 hp engine has been developed with fuel economy, high low-end torque and elasticity in mind, while the performance of the 200 hp unit makes it the benchmark in its class. Achieving these goals enabled vehicle integration that can tune primary engine orders in the induction and exhaust systems to meet specific vehicle objectives.

Gasoline

Gasoline Engine Fuel Power

CPT developing 48-volt electric supercharger for micro-mild hybrids

Green Car Congress

SEPTEMBER 29, 2011

The higher-voltage variant will support moves by European vehicle manufacturers announced earlier this year to introduce 48 volt passenger vehicle power networks to help meet the requirement for lower fuel consumption and CO 2 emissions. —Guy Morris, CPT’s engineering director and chief technical officer. —Guy Morris.

Volt

Volt Hybrid Downsizing Lead Acid

Viable exhaust-driven on-board ethanol reforming for improvements in fuel economy and emissions

Green Car Congress

AUGUST 20, 2013

A team at Monsanto and colleagues at AVL Powertrain have successfully designed and demonstrated an onboard low-temperature ethanol reformer that can be driven by exhaust heat. A paper on their work is published in the ACS journal Energy & Fuels. Click to enlarge. Unlike high-temperature reforming, supplementary water is not required.

Fuel Economy

Fuel Economy Exhaust Economy Fuel

Downsized 5.5L V8 Biturbo in S 63 AMG Delivers 25% Fuel Savings Compared to Predecessor; Stop-Start is Standard

Green Car Congress

MARCH 14, 2010

For the first time, AMG is also utilizing the advantages of gasoline direct injection with spray-guided combustion and piezo-electric injectors: thanks to its higher thermodynamic efficiency, this technology makes more efficient use of fuel and leads to lower exhaust emissions. The 100 km/h mark is reached in 4.4

Downsizing

Downsizing Standards Fuel Mercedes

Honeywell Transportation Systems Forecast: turbocharged vehicles to account for 48% of annual global sales by 2021; electric boosting emerges

Green Car Congress

DECEMBER 9, 2016

By rightsizing engines with available technologies, automakers are able to continue applying the benefits of smaller turbocharged engines while fine-tuning powertrain systems to further optimize fuel economy, emissions and performance. Regional highlights include: In North America, more engine downsizing is expected.

Global

Global Sale Transportation Vehicles

Ford Unveils Ford Fiesta for North America at Los Angeles Auto Show; 1.6L I4 with Ti-VCT Delivers Estimated 40 mpg Highway

Green Car Congress

DECEMBER 2, 2009

Fiesta—available in four- and five-door bodystyles—will offer North American buyers a new choice of 15 class-exclusive technologies and projected highway fuel economy of 40 mpg, besting the Honda Fit, Nissan Versa and Toyota Yaris and Corolla. Our fuel economy leader is now a PowerShift automatic. The Ford Fiesta’s 1.6-liter

Los Angeles

Los Angeles North America Ford MPG

Fiat Introduces Multiair Electro-Hydraulic Valve-Timing System

Green Car Congress

MARCH 4, 2009

Fiat expects that Multiair, with direct control of the air through the intake engine valves without using the throttle, can help reduce fuel consumption by up to 10% for turbocharged or naturally aspirated gasoline engines. A specific turbocharged engine version will be bi-fuel (gasoline-CNG).

Downsizing

Downsizing Gasoline Fuel Economy Engine

Bosch sees future requiring multiple powertrain technologies; the larger the vehicle, the more the electrification

Green Car Congress

JUNE 18, 2013

Therefore, Bohr said, Bosch aims to develop lithium-ion batteries that will at least double the range of current electric vehicles and at half the cost per kilowatt-hour. This will be done with a broad range of efficiency-enhancing technologies, including the turbocharging of downsized engines.

Future

Future Gasoline-Electric Vehicles Gasoline

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

Homogeneous GDI provides fuel efficiency benefits from charge air cooling, more facile turbocharging, and the downsizing that these permit. Schematic diagram of test vehicle engine & exhaust system and PM sampling systems. Fuel injectors were side-mounted. The vehicles were fueled with an E10 ethanol?gasoline

Standards

Standards Emissions Miles Engine

Peugeot 208 features new generation of 3-cylinder gasoline and Stop & Start System (e-HDi) diesel engines

Green Car Congress

JANUARY 16, 2012

The new Peugeot 208 B-segment supermini, which launches this spring in Europe, will be available in 3- and 5-door bodystyles with a range of gasoline and diesel engines including a new 3-cylinder gasoline engine range and the latest generation of Stop & Start System (e-HDi) diesel engines. 208 gasoline range. 208 diesel range.

Gasoline

Gasoline Diesel Engine France

Citroën introduces first members of new 3-cylinder gasoline engine family; 1.0L and 1.2L PureTech reduce fuel consumption about 25%

Green Car Congress

DECEMBER 11, 2012

Citroën is introducing the first members of its new PureTech family of three-cylinder gasoline engines on the C3, DS3 and C-Elysée (for international markets) ranges. liter with power ranging from 68 hp to 82 hp (50 to 60 kW). liter with power ranging from 68 hp to 82 hp (50 to 60 kW). liter and 1.2 liter and 1.2 l/100 km (51.1

Engine

Engine Gasoline Fuel MPG

Lexus NX compact utility arrives in North America

Green Car Congress

JULY 7, 2014

liter turbocharged gasoline engine has a combination water-cooled cylinder head, integrated exhaust manifold and twin-scroll turbocharger. liter turbocharged port and direct-injection engine uses an advanced valve control system to switch between Atkinson cycle and Otto cycle operation to optimize performance and fuel efficiency.

North America

North America Lexus America Fuel Economy

2014 Sprinter van for US standard with new 2.1L diesel; new driver assistance features

Green Car Congress

MAY 6, 2013

Since 2010, all Sprinters in the US have been powered by BlueTEC diesel engines, marking the first use of BlueTEC technology, with its selective catalytic reduction (SCR) exhaust aftertreatment system, in the commercial van market here. The two overhead camshafts actuate 16 intake and exhaust valves.

2014

2014 Diesel Standards Exhaust

Ford Unveils Next-Generation Global Focus at NAIAS; Features New 2.0L DI Engine with Powershift Dual-Clutch Transmission for NA Market

Green Car Congress

JANUARY 11, 2010

Duratec I-4 unit while contributing to projected fuel economy gains of more than 10%. The global powertrain lineup for the new Focus will include a range of Ford EcoBoost four-cylinder turbocharged direct injection engines—including the 1.6-liter “People downsize cars, not expectations.

Ford

Ford Engine Global Market

Jaguar adds two new smaller forced induction gasoline engines to 2013 XF and XJ lineup; 8-speed automatic and start-stop

Green Car Congress

JUNE 29, 2012

For the 2013 XF and XJ lineup, Jaguar is adding two new downsized forced induction gasoline powerplants: 3.0-liter The supercharged V8 gasoline engine has fuel economy gains of up to 11% with emissions reductions of more than 8%, while the naturally-aspirated V8 sees economy improvements of up to 8% with emissions down by more than 6%.

Gasoline

Gasoline Engine 2013 MPH

Powertrains for the New Opel Astra

Green Car Congress

SEPTEMBER 30, 2009

The new Astra is launching with a complete line-up of eight gasoline and diesel engines ranging from 70 kW/95 hp to 132 kW/180 hp. The new Astra has grown slightly to provide a roomier interior and, at the same time, it has benefited from engineering enhancements that allow it to improve fuel efficiency and performance. Earlier post.)

Exhaust

Exhaust MPG Gasoline-Electric Engine

Renault 2010 Environment Workshop, Part 1: Combustion Engine Technology and Product Plans

Green Car Congress

JUNE 7, 2010

Renault held a “2010 Environment Workshop” last week to showcase its progress across its range of vehicles’ full lifecycle through the Renault eco² program. The downsizing process involved shortening the piston stroke by reducing the size of the crank pin and conrod assembly. Select Engines. New-generation 1.5 dCi engines.

Environment

Environment Engine 2010 Parts

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

Especially with increased production volume of renewable fuels and optimized powertrain solutions for flexible fuel vehicles, there is a chance for combustion engines to not only remain in the market but also be sustainable for future vehicle. The intake manifold was modified for high pressure EGR feed and port fuel injection (PFI).

Fuel Economy

Fuel Economy Economy Fuel Engine

Ford Debuts Four-Cylinder EcoBoost Engine Family at Frankfurt; 1.6L and 2.0L I-4s to Start, Smaller Displacement Engine to Follow

Green Car Congress

SEPTEMBER 16, 2009

The initial range of 4-cylinder Ford EcoBoost engines for the company’s European product range will launch in 2010 and use the SCTi (sequential charge turbo injection) for production models. liter units for the company’s large car range. The line-up will comprise 1.6-liter liter units for the. Ford has confirmed that its new 2.0-liter

Engine

Engine Ford Downsizing United Kingdom

Calls for an international 48V electrical standard for vehicles; looming WLTP implementation

Green Car Congress

DECEMBER 1, 2014

This means that in addition the power demand is more difficult to achieve with engine downsizing and transmission down-speeding alone. Thermal management of the electrical machine is another critical factor, because the duration of the boosting and energy recovery operating modes directly impacts fuel economy and emissions.

Standards

Standards International Vehicles Hybrid

FEV analysis of automotive-scale Pinnacle opposed-piston engine finds potential for significant increases in fuel economy

Green Car Congress

MAY 15, 2013

An analysis by FEV of a modeled automotive scale version of Pinnacle’s 4-stroke, spark-ignited (SI), opposed-piston, sleeve-valve architecture engine ( earlier post ) concluded that the engine has the potential to deliver significant additional fuel economy benefits of up to 42.6% Fuel economy. —FEV analysis.

Fuel Economy

Fuel Economy Economy Engine Downsizing

Update on DOE Co-Optima project to co-optimize fuels & engines; goal of 30% per vehicle reduction in petroleum

Green Car Congress

NOVEMBER 28, 2016

The researchers suggest that there are engine architectures that can provide higher thermodynamic efficiencies than available from modern internal combustion engines; however, new fuels are required to maximize efficiency and operability across a wide speed/load range. How do engine parameters affect efficiency?

Engine

Engine Fuel Vehicles Emissions

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. The new study.

Fuel Economy

Fuel Economy Economy Engine Fuel

Researchers propose evaluating alt fuel efficiency based on energy rather than volume; impact of ethanol on vehicle efficiency and GHGs

Green Car Congress

MAY 17, 2013

In a policy analysis in the ACS journal Environmental Science & Technology , researchers from the Universities of Cambridge, Exeter and Oxford argue that, due to the increased emphasis on alternative fuels with drastically differing energy densities, vehicle efficiency should be evaluated based on energy rather than volume. 15% to +24%.

Fuel

Fuel Energy Gasoline-Electric Gasoline

BorgWarner suggests Valve-Event Modulated Boost system can offer 6-17% fuel economy benefit over already downsized and turbocharged engines

Ford to bring 20 new engines and transmissions to China and improve fleet fuel economy by more than 20% by 2015; producing the new 1.0L EcoBoost in China

ADEPT project to apply gasoline engine HyBoost system to diesel; 48V architecture; full hybrid fuel economy at much lower cost

Ford launching major new product push in Europe; fuel economy and 1.0L EcoBoost engine; first Ford full hybrid car for Europe

Nissan adding new 2.0L turbo to Skyline lineup in Japan

Simulation study suggests ORC waste heat recovery system could deliver potential 7% improvement in fuel consumption in a PHEV on highway

Honeywell Global Turbo Forecast projects 49M turbocharged vehicle sales, $12B revenue per year by 2019

Valeo acquires electric supercharger business from Controlled Power

New Volkswagen Polo BlueGT with cylinder deactivation offers gasoline engine fuel economy of up to 52 mpg US

Ricardo to display functional integration prototype of ADEPT 48V “intelligent electrification” diesel

Advanced ADEPT 48V affordable mild hybrid on path to meet future ultra-low vehicle emissions

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

Ford / AVL study concludes mid-level ethanol blend attractive as a long-term future fuel for use in optimized engines in US

Eaton Highlights Range of New Products to Reduce Fuel Consumption and Emissions

U Toronto team assess the climate trade-off between reduced CO2 and increased Black Carbon from GDI engines

Westport unveils proprietary enhanced spark-ignited natural gas system; up to 10% improvement in power and torque over diesel

Mazdas new SKYACTIV gasoline and diesel engines are steps on the road to its Ideal Engine; focus on compression ratio

Toyota introducing new powertrain units based on TNGA; transmissions, engine, hybrid system, 4WD

CPT launching water-cooled electric supercharger for commercial diesel engines

Audi introduces new high-efficiency 2.0L TFSI based on Miller cycle; 190 hp, 47 mpg

Opel presents new midsize gasoline engine at Aachen Colloquium; fuel consumption down 13%, torque and power up 33%

CPT developing 48-volt electric supercharger for micro-mild hybrids

Viable exhaust-driven on-board ethanol reforming for improvements in fuel economy and emissions

Downsized 5.5L V8 Biturbo in S 63 AMG Delivers 25% Fuel Savings Compared to Predecessor; Stop-Start is Standard

Honeywell Transportation Systems Forecast: turbocharged vehicles to account for 48% of annual global sales by 2021; electric boosting emerges

Ford Unveils Ford Fiesta for North America at Los Angeles Auto Show; 1.6L I4 with Ti-VCT Delivers Estimated 40 mpg Highway

Fiat Introduces Multiair Electro-Hydraulic Valve-Timing System

Bosch sees future requiring multiple powertrain technologies; the larger the vehicle, the more the electrification

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

Peugeot 208 features new generation of 3-cylinder gasoline and Stop & Start System (e-HDi) diesel engines

Citroën introduces first members of new 3-cylinder gasoline engine family; 1.0L and 1.2L PureTech reduce fuel consumption about 25%

Lexus NX compact utility arrives in North America

2014 Sprinter van for US standard with new 2.1L diesel; new driver assistance features

Ford Unveils Next-Generation Global Focus at NAIAS; Features New 2.0L DI Engine with Powershift Dual-Clutch Transmission for NA Market

Jaguar adds two new smaller forced induction gasoline engines to 2013 XF and XJ lineup; 8-speed automatic and start-stop

Powertrains for the New Opel Astra

Renault 2010 Environment Workshop, Part 1: Combustion Engine Technology and Product Plans

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

Ford Debuts Four-Cylinder EcoBoost Engine Family at Frankfurt; 1.6L and 2.0L I-4s to Start, Smaller Displacement Engine to Follow

Calls for an international 48V electrical standard for vehicles; looming WLTP implementation

FEV analysis of automotive-scale Pinnacle opposed-piston engine finds potential for significant increases in fuel economy

Update on DOE Co-Optima project to co-optimize fuels & engines; goal of 30% per vehicle reduction in petroleum

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

Researchers propose evaluating alt fuel efficiency based on energy rather than volume; impact of ethanol on vehicle efficiency and GHGs

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