Exhaust, Fuel Economy, Miles and Study

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

Green Car Congress

FEBRUARY 22, 2018

Their study is publishedin the ACS journal Environmental Science & Technology. Bottom: Total particle-phase PAH emissions, expressed in ng/mile, for both test vehicles over the LA92 cycle. LEVIII will begin a four year phase-in of a tighter 1 mg/mile starting in 2025. In the study, the team used two MY 2016 passenger cars.

Gasoline

Gasoline Emissions Engine 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

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

2021) over a 150,000-mile vehicle lifetime, but that further work must be done to address achieving the more stringent 1 mg/mi target (LEV III in 2025). 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. Earlier post.) gasoline blend.

Standards

Standards Emissions Miles Engine

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. On the other hand, it is well known that in an internal combustion engine up to 35% of the energy developed by the fuel combustion is dissipated in the exhaust gases. Skarke et al.

Waste

Waste PHEV Fuel Exhaust

ICCT study concludes no technical barriers to use of higher blends of ethanol

Green Car Congress

FEBRUARY 5, 2014

Broadly, the study by Stephanie Searle, Francisco Posada Sanchez, Chris Malins, and John German concludes that (a) technical barriers do not prevent the use of higher blends of ethanol, and (b) slow uptake of blends such as E15 and E85 is due to other factors, including high cost, legal and warranty issues, and consumer awareness and acceptance.

Gasoline

Gasoline Exhaust Water Fuel

J.D. Power and Associates study finds EPA emission-compliant heavy-duty engines yielding increase in engine problems, decline in satisfaction

Green Car Congress

AUGUST 23, 2012

Technology changes related to revised emissions standards for heavy-duty trucks are causing an increase in heavy-duty truck engine problems and a decrease in overall satisfaction with the powertrain, according to the JD Power and Associates 2012 US Heavy-Duty Truck Engine and Transmission Study. Overall Scores. Based on scale of 1,000).

Engine

Engine EPA Emissions 2011

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. A new study by a team at the University of Toronto has made a preliminary assessment of the climate trade-off (i.e.,

Climate

Climate Engine Carbon Fuel Economy

VTT, Argonne joint study concludes new technologies to reduce friction should be able to reduce fuel consumption by up to 61% in 15-25 years

Green Car Congress

JANUARY 12, 2012

Use of new technologies to reduce friction losses should be able to lower automotive fuel consumption and emissions by 18% within the next 5 to 10 years and by up to 61% within 15 to 25 years, according to a joint study by VTT Technical Research Centre of Finland and Argonne National Laboratory (ANL) in the US. million TJ/a.

Fuel

Fuel Exhaust MPH Finland

Study finds V2G-capable electric school buses cost-effective with current technology; financial and environmental benefits

Green Car Congress

MAY 29, 2014

Electric school bus fleets with vehicle-to-grid (V2G) capabilities are cost-effective with today’s technology, and could save schools money while reducing greenhouse gas emissions and improving public health, according to a new study by a team at the University of Delaware’s College of Earth, Ocean, and Environment (CEOE).

Fleet

Fleet Electrical Electric Climate Change

2017 Chrysler Pacifica wins Altair Enlighten Award for weight reduction in full vehicle category; Toyota, Faurecia and AP&T module, technology winners

Green Car Congress

JULY 31, 2017

Toyota’s carbon fiber closure panels for the 2017 Prius Prime and Lexus LC500 ( earlier post ), and Faurecia’s Adaptive Valve for exhaust systems employed on the 2017 Chevrolet Silverado took the top honors for the module category. Weight reduction is a key contributor to improved fuel economy. 2017 Chrysler Pacifica.

Chrysler

Chrysler 2017 Toyota Minivan

Frost & Sullivan forecasts Gasoline Particulate Filters to climb from 50,335 units now to 4.2-4.6 million units by 2020

Green Car Congress

NOVEMBER 8, 2015

In a 2013 study, a team from Ford’s Research and Advanced Engineering group in Dearborn noted that because the efficiency advantage of homogeneous GDI is not as large as with diesel engines, the use of gasoline particulate filters (GPF) is a less practical solution to PM emissions aftertreatment. of total GPF installations by 2020.

Gasoline

Gasoline 2020 North America Exhaust

Ford adds 3-cylinder, 1.0L EcoBoost engine and 8-speed transmission to lineup; new hybrid transmission in 2012

Green Car Congress

JUNE 2, 2011

unit features: An offset crankshaft that helps improve fuel economy. Faster cylinder block warm-ups save fuel, especially in cold weather. An exhaust manifold cast into the cylinder head. The one-piece assembly lowers the temperature of the exhaust gases. liter gasoline engines. Earlier post.).

Ford

Ford Engine Hybrid 2012

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

Additionally, one of the urea SCR vehicles was operated over a total distance of ~4,000 km (~2,485 miles) between Los Angeles, CA and Seattle, WA to investigate emissions reduction characteristics over extended highway driving conditions. Overall, urban/suburban driving leads to a 32-39% reduction in fuel economy over highway driving.

Diesel

Diesel Emissions Light Los Angeles

Ricardo/TRL report on improving GB diesel rail fuel efficiency recommends two tech packages for implementation, including gas exchange system and idle stop/start

Green Car Congress

MARCH 20, 2012

A new report highlights the results of research work carried out by Ricardo and TRL on behalf of the UK Department for Transport, exploring the means by which improvements in diesel fuel efficiency could be realized within the rail network of Great Britain. Potential fuel economy benefit over baseline is 30% on the freight duty cycle.

Diesel

Diesel Fuel Gas Fuel Economy

Advantage EV

Electric Auto Association

JANUARY 5, 2023

In Department of Energy fuel economy tests, in short-trip city driving, a conventional gasoline car’s gas mileage is about 12 percent lower at 20 degrees Fahrenheit than it would be at 77 degrees Fahrenheit and can drop as much as 22 percent for very short trips of around 3 to 4 miles. Charging is much cheaper than gas.

Gas-Electric

Gas-Electric Gas Norway F-150

National Academies release third review of the 21st Century Truck Partnership

Green Car Congress

SEPTEMBER 14, 2015

researching, validating, and deploying technologies and methods that save fuel through more efficient operations of trucks and transportation systems. researching, validating, and deploying technologies and methods that save fuel through more efficient operations of trucks and transportation systems. gallons/1,000 ton-miles.

MPG

MPG 2009 Miles Fuel

First look at all-new Voltec propulsion system for 2G Volt; “the only thing in common is a shipping cap”

Green Car Congress

OCTOBER 29, 2014

Overall the engineering team increased efficiency and reduced weight; the drive unit is up to 12% more efficient in operation—although GM has yet to quantify publicly what that means in terms of range or fuel economy—and 100 lbs (45 kg) lighter. Current generation Volt owners have accumulated more than 600 million EV miles.

Volt

Volt GM Motoring Motors

Researchers find HEV under real-world conditions delivers significantly greater fuel economy benefits than EPA “sticker” values

Green Car Congress

AUGUST 3, 2015

The vehicles under study were a conventional and hybrid Camry). In other words, they found that they real-world fuel economy benefit of adoption of HEVs may be better than for estimates based on EPA “sticker” fuel economy alone. Studies such as these are critical as HEVs and other electrified vehicles (i.e.,

Fuel Economy

Fuel Economy EPA Economy 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. —Saliba et al.

Fleet

Fleet Engine Global Fuel Economy

ICCT study finds real-world NOx emissions from Euro 6 diesels ~7x higher than Euro 6 regulatory levels

Green Car Congress

OCTOBER 11, 2014

The study follows another recent ICCT report showing that the gap between official and real-world fuel-economy figures in Europe has risen to about 38%. going up a slight incline), or to normal regeneration events in the diesel exhaust aftertreatment systems. Earlier post.). Source: ICCT. Click to enlarge.

Diesel

Diesel Emissions West Virginia 2014

Report argues advanced HD natural gas vehicles foundational for California to hit air and climate goals; near zero-emission potential

Green Car Congress

JANUARY 28, 2014

These technologies include, but are not limited to, advanced aftertreatment and waste heat recovery; lean-burn plus lean-NO x emissions traps; integration of zero-emission miles technologies; further refinements in reducing friction and parasitic energy losses; and widespread utilization of renewable and natural gas and hydrogen blends.

Climate

Climate Gas Emissions California

Perspective: US Needs to Transition to Hydrous Ethanol as the Primary Renewable Transportation Fuel

Green Car Congress

AUGUST 30, 2009

However, since the cost of the hydrous ethanol is significantly lower, hydrous ethanol will provide a lower cost per mile travelled, assuming the processing cost savings is passed on to the consumer. Hydrous ethanol has been used in the United States as a transportation fuel for at least one hundred years. C in the anhydrous state.

Transportation

Transportation Fuel Renewable Gasoline-Electric

Ford Revamps 2011 F-150 Powertrain Lineup; New EcoBoost 3.5L V6 20% More Fuel Efficient Than 2010 Model Year 5.4L V8

Green Car Congress

AUGUST 11, 2010

Each engine delivers improved fuel economy. liter EcoBoost engine joins the lineup early in 2011 ( earlier post ), the 2011 F-150 will have up to 20% better fuel economy compared with the outgoing 2010 F-150. Fuel economy improves up to 20% versus 2010 model year F-150 5.4-liter year-on-year.

F-150

F-150 2011 2010 Ford

Achates: LD opposed-piston, 2-stroke diesel can meet 2025 final CAFE, Tier 3 standards for full-size pickup; 30% better FE than Cummins ATLAS

Green Car Congress

APRIL 15, 2014

the developer of a family of two-stroke compression-ignition opposed-piston engines ( earlier post ), has performed an in-depth study on the performance and emissions of light-duty version of its engine packaged for a full-size pickup truck. For the study, Achates Power modeled a 2.25-liter, Source: Achates Power. Click to enlarge.

Diesel

Diesel Fuel Economy Standards Engine

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

Green Car Congress

MAY 10, 2013

Fuel economy targets for the vehicle are 22.4 At the recent 2103 SAE World Congress, Cummins discussed key engine technology enablers—including air-handling, fuel system, and base engine design— and development of the combustion system that will help in achieving the target emission levels and fuel economy.

Light

Light Diesel Fuel Fuel Economy

BMW’s “CO2 Champion” Performance Concept is a Plug-in Diesel Hybrid; 50 km/31 mile All-Electric Range; Thermo-electric Generator for Waste Heat Recovery

Green Car Congress

AUGUST 30, 2009

BMW Vision EfficientDynamics is able to run completely under electric power for up to 50 km (31 miles), with the power of the turbodiesel engine alone, or through an infinite combination of the three power sources. Overall system output is 262 kW (356 hp), with maximum torque of 800 N·m (590 lb-ft). The BMW Vision EfficientDynamics.

All-Electric

All-Electric Plug-in Concept Plug

BMW Study on Rankine Cycle for Waste Heat Recovery Shows Potential Additional 10% Power Output at Highway Speeds

Green Car Congress

MAY 3, 2009

In this study, BMW focused on Rankine A (exhaust gas only) and Rankine B (exhaust gas and coolant). Test results presented in 2008 showed that in 100 kph (62 miles/hour) constant-speed driving, the use of the Rankine cycle improved the thermal efficiency of the engine by 3.8%. Adapted from Ringler et al. Earlier post.).

Waste

Waste BMW Powered Power

Road Test: 2024 Toyota Mirai Limited FCEV

Clean Fleet Report

MARCH 18, 2024

The fueling process is fast and easy and a FCEV operates exactly like a gasoline-powered car, but with no noise, exhaust fumes or emissions. The exterior, interior comfort, driver safety systems and the ability to go up-to 400 miles on a tank of hydrogen has made a huge difference from the first generation Mirai.

Toyota

Toyota Hydrogen Lexus California

NRC report finds significant number of near-term technologies could greatly reduce fuel consumption in passenger cars

Green Car Congress

JUNE 16, 2011

According to its estimates, adopting the full combination of improved technologies in medium and large cars and pickup trucks with spark-ignition engines could reduce fuel consumption by 29% at an additional cost of $2,200 to the consumer. —“Assessment of Technologies” Spark-ignition technologies.

Fuel

Fuel Downsizing Fuel Economy Diesel

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

liter compression-ignition OPE will will be 30-50% more fuel efficient than comparable diesel and gasoline direct injection engines, reduce emissions and cost less than alternative technologies under development for meeting 2025 CAFE fuel economy and Tier 3 emission targets. Further, Achates is planning to meet the 0.03

Light

Light Engine Powered Power

DOE to award up to $9M for Small Business programs in broad range of technologies including vehicles, biomass and hydrogen and fuel cells

Green Car Congress

APRIL 10, 2012

EERE’s Vehicles Technologies Program (VTP) is focused on developing technologies to enable average new vehicle fuel economy of more than 60 mpg (3.9 Phase I feasibility studies must be evaluated in full cells (not half cells) greater than 200 mAh in size while Phase II technologies should be demonstrated in full cells greater than 2Ah.

Hydrogen

Hydrogen Fuel Range Vehicles

EADS demonstrating electric and hybrid aviation propulsion; innovative distributed propulsion series hybrid

Green Car Congress

JUNE 17, 2013

The Elektro E6 is envisioned to feature a full carbon composite structure, two motors, high wing propeller, solar cells technology, 6 seats, 480 kg (1,058 lb) payload and 500-km (311-mile) range. Initial study results by Airbus indicate that a single large gas power unit has advantages over two or more smaller gas power units.

Hybrid

Hybrid Re-Charge Electrical Electric

GM provides technical details of the Gen 2 Voltec propulsion system used in the 2016 Volt

Green Car Congress

APRIL 23, 2015

A GM analysis of vehicle data collected from first generation found that Volt vehicles were driven more than half a billion miles in North America from October 2013 through September 2014, and that 74% of the miles were all-electric. (A Increased charge sustaining fuel economy. Improved performance. —Jocsak et al.

Volt

Volt GM 2016 Extended Range

Using the PHEV (Plug-In Hybrid Electric Vehicle) to Transition Society Seamlessly and Profitably From Fossil Fuel to 100% Renewable Energy

Green Car Congress

JULY 17, 2015

The alternative-fuel car evolved to reduce exhaust emissions and other problems derived from burning fossil fuels. The PHEV (Plug-in Hybrid Electric Vehicle), a subset of the electric car, combines a primary electric motor with a much smaller back-up engine fueled with a hydrocarbon/biofuel mix. (In

PHEV

PHEV Plug-in Renewable Energy

Audi highlights its range of electrification efforts; Q7 diesel PHEV, A7 fuel cell PHEV, BEV, 48V and more; 750 Wh/l by 2025

Green Car Congress

NOVEMBER 17, 2015

For example, fuel economy statistics and a graphic display of the electric range is shown on the navigation map. The concept study offers sports car-like performance. miles) and at least eight years in operation. These components have a high-voltage electric drive and are powered by the fuel cell. lb-ft) of torque.

Audi

Audi PHEV Diesel Fuel

EV Driven

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

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

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

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

ICCT study concludes no technical barriers to use of higher blends of ethanol

J.D. Power and Associates study finds EPA emission-compliant heavy-duty engines yielding increase in engine problems, decline in satisfaction

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

VTT, Argonne joint study concludes new technologies to reduce friction should be able to reduce fuel consumption by up to 61% in 15-25 years

Study finds V2G-capable electric school buses cost-effective with current technology; financial and environmental benefits

2017 Chrysler Pacifica wins Altair Enlighten Award for weight reduction in full vehicle category; Toyota, Faurecia and AP&T module, technology winners

Frost & Sullivan forecasts Gasoline Particulate Filters to climb from 50,335 units now to 4.2-4.6 million units by 2020

Ford adds 3-cylinder, 1.0L EcoBoost engine and 8-speed transmission to lineup; new hybrid transmission in 2012

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

Ricardo/TRL report on improving GB diesel rail fuel efficiency recommends two tech packages for implementation, including gas exchange system and idle stop/start

Advantage EV

National Academies release third review of the 21st Century Truck Partnership

First look at all-new Voltec propulsion system for 2G Volt; “the only thing in common is a shipping cap”

Researchers find HEV under real-world conditions delivers significantly greater fuel economy benefits than EPA “sticker” values

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

ICCT study finds real-world NOx emissions from Euro 6 diesels ~7x higher than Euro 6 regulatory levels

Report argues advanced HD natural gas vehicles foundational for California to hit air and climate goals; near zero-emission potential

Perspective: US Needs to Transition to Hydrous Ethanol as the Primary Renewable Transportation Fuel

Ford Revamps 2011 F-150 Powertrain Lineup; New EcoBoost 3.5L V6 20% More Fuel Efficient Than 2010 Model Year 5.4L V8

Achates: LD opposed-piston, 2-stroke diesel can meet 2025 final CAFE, Tier 3 standards for full-size pickup; 30% better FE than Cummins ATLAS

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

BMW’s “CO2 Champion” Performance Concept is a Plug-in Diesel Hybrid; 50 km/31 mile All-Electric Range; Thermo-electric Generator for Waste Heat Recovery

BMW Study on Rankine Cycle for Waste Heat Recovery Shows Potential Additional 10% Power Output at Highway Speeds

Road Test: 2024 Toyota Mirai Limited FCEV

NRC report finds significant number of near-term technologies could greatly reduce fuel consumption in passenger cars

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

DOE to award up to $9M for Small Business programs in broad range of technologies including vehicles, biomass and hydrogen and fuel cells

EADS demonstrating electric and hybrid aviation propulsion; innovative distributed propulsion series hybrid

GM provides technical details of the Gen 2 Voltec propulsion system used in the 2016 Volt

Using the PHEV (Plug-In Hybrid Electric Vehicle) to Transition Society Seamlessly and Profitably From Fossil Fuel to 100% Renewable Energy

Audi highlights its range of electrification efforts; Q7 diesel PHEV, A7 fuel cell PHEV, BEV, 48V and more; 750 Wh/l by 2025

Stay Connected