Green Car Congress

FEBRUARY 22, 2019

Ford Motor is investigating possible concerns in its emission testing procedures. Kim Pittel, group vice president, Sustainability, Environment & Safety Engineering, said that in September, employees raised a concern through regarding the analytical modeling that is part of Ford’s US fuel economy and emissions compliance process.

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Ford Emissions Fuel Economy Economy 207

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 Cost of the new engine relative to gasoline baseline. Earlier post.). l/100 km) for a vehicle of that size.

Fuel Economy 357

Fuel Economy Economy Gasoline Downsizing 357

Green Car Congress

MARCH 5, 2022

Light-duty vehicles, including sedans, SUVs, and pickup trucks, are currently responsible for 58% of US transportation sector emissions. In an open-access paper in Environmental Research Letters , they show that the proportional emissions benefit of electrification is approximately independent of vehicle class. Woody et al.

Light 435

Light Gas Ford Vehicles 435

Green Car Congress

AUGUST 31, 2018

A new study on ultra-low emission natural gas heavy-duty engines found that the new Cummins-Westport 11.9-liter liter engine achieved California’s lowest smog-forming emissions standard, and maintained those emissions during all types of driving. Cycle averaged NO x emissions for the ISX12N 400 equipped truck.

Emissions 210

Emissions Engine Gas California 210

Green Car Congress

AUGUST 21, 2018

XL received approval from the California Air Resources Board (CARB) to sell hybrid electric Ford F-250 pickup trucks in California, marking the 14 th CARB executive order achieved by the company. XL has earned the highest number of CARB executive orders for commercial vehicle electrification in the automotive industry. .

California 260

California Ford North America Fleet 260

Green Car Congress

APRIL 10, 2014

Researchers at Oak Ridge National Laboratory (ORNL) have quantified the fuel economy effects of some common driver practices and vehicle accessories or alterations—including underinflated tires, open windows, and rooftop and hitch-mounted cargo. liter four-cylinder engine, also suffered as its fuel economy dipped 22% from 42.5

Fuel Economy 313

Fuel Economy Economy Cost Of Fuel 313

Green Car Congress

APRIL 20, 2022

Achates Power has released initial in-use NO x measurements from the cleaner, heavy-duty diesel engine it developed in a project funded by the California Air Resources Board (CARB) and several partners. heavy-duty opposed-piston engine demonstrated NO x emissions control far better than other diesel engines we have tested.

EPA 170

EPA Emissions Peterbilt Diesel 170

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. The challenge was making those significant advancements while ensuring that the engine we produced would be commercially viable. Test cycle fuel economy (mpg).

Fuel Economy 150

Fuel Economy Economy Diesel Light 150

Green Car Congress

JULY 22, 2019

Researchers at Hunan University have investigated the effects of compression ratio (CR), EGR and spark timing strategies on performance, combustion and NO x emissions of a heavy-duty natural gas engine fueled with 99% methane content. A paper on their work is published in the journal Fuel. —Li et al.

Gas 170

Gas Emissions Engine Fuel Economy 170

Green Car Congress

NOVEMBER 1, 2013

For the target market (the Asian scooter market), the low NO x capability of the Pinnacle engine provides a significant cost benefit to manufacturers. Further, Pinnacle noted, recently developed hardware designed for additional lean limit extension is under test. When the entire vehicle costs around $700, that’s a significant difference.

Fuel Economy 231

Fuel Economy Economy Engine Fuel 231

Green Car Congress

DECEMBER 13, 2013

EPA projects advanced transmissions (6+ speeds and CVTs), gasoline direct injection (GDI) systems, and turbocharged engines will be installed on at least 15% of all MY 2013 vehicles. The majority of the emissions and fuel savings from current vehicles, EPA noted, is due to new gasoline vehicle technologies. Click to enlarge.

Fuel Economy 247

Fuel Economy 2012 Economy EPA 247

Green Car Congress

APRIL 17, 2018

Researchers at Jilin University in China report in a papaer in the journal Fuel that coolant temperature in a gasoline direct-injection (GDI) engine under idle has a critical effect on particulate number (PN) emissions and that optimizing other operating parameters will further reduce PN emissions.

Emissions 186

Emissions Engine Fuel Economy Fuel 186

Green Car Congress

JANUARY 10, 2019

FCA US has reached final settlements on civil, environmental and consumer claims with US federal and state agencies as well as private class actions to resolve differences over diesel emissions requirements. Department of Justice (DOJ), the California Air Resources Board (CARB), the State of California, 49 other States and U.S.

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Cost Of Diesel Emissions San Francisco 312

Green Car Congress

AUGUST 31, 2021

Biologists at Sandia National Laboratories have developed comprehensive software that will help scientists in a variety of industries create engineered chemicals more quickly and easily. Synthetic biology involves redesigning organisms for useful purposes by engineering them to have new abilities.

Engine 221

Engine Fuel Economy Waste Industrial 221

Green Car Congress

SEPTEMBER 7, 2017

A team at Carnegie Mellon University has found that engineering design modifications that compromise other performance attributes—specifically acceleration—offer a pathway to reduce the cost to automakers of compliance with fuel economy standards.

Fuel Economy 150

Fuel Economy Economy Design Fuel 150

Green Car Congress

FEBRUARY 5, 2020

CO 2 and NO x certification test data for heavy-duty diesel engines certified from 2002 through 2019. 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. Source of data: US EPA (2019).

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Emissions Diesel Engine 2010 291

Green Car Congress

JANUARY 20, 2020

A team from the Beijing Institute of Technology and Beiqi Foton Motor are proposing a performance optimization strategy for the Atkinson cycle gasoline engine, which is playing a key role in the development of hybrid electric vehicles due to its greater fuel economy than a conventional Otto cycle engine. —Niu et al.

Engine 150

Engine Hybrid Fuel Economy Economy 150

Green Car Congress

OCTOBER 10, 2014

EPA released the latest edition of its annual report on trends in CO 2 emissions, fuel economy and powertrain technology for new personal vehicles in the US. Fuel economy has now increased in eight of the last nine years; average carbon dioxide emissions are also at a record low of 369 g/mile in model year 2013.

Fuel Economy 230

Fuel Economy MPG Economy EPA 230

Green Car Congress

MARCH 31, 2011

Illustration of a three-cylinder configuration of the Pinnacle opposed-piston engine. Startup Pinnacle Engines unveiled plans to commercialize a new, more efficient combustion engine by 2013. The Pinnacle engine is based on a four-stroke, spark-ignited (SI), opposed-piston, sleeve-valve architecture. Click to enlarge.

Fuel Economy 236

Fuel Economy Engine Economy Fuel 236

Green Car Congress

MARCH 9, 2020

Power management company Eaton has expanded its portfolio of valvetrain solutions for diesel off-highway vehicles to help OEMs reduce emissions and improve fuel economy. The California Air Resources Board (CARB) is expected to mandate reductions of NO x emissions by approximately 70% by 2024 and up to 90% by 2027.

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Eaton Fuel Economy CO2 Vehicles 269

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 326

Fuel Economy Economy Fuel MPH 326

Green Car Congress

APRIL 25, 2016

In a paper presented at the 2016 SAE World Congress, Tula Technology, developer of Dynamic Skip Fire (DSF) cylinder deactivation technology, reported significant fuel economy gains of up to 18% over a conventional GM 6.2-liter Meaning, DSF reduces fuel consumption by 14-18% over V8. liter V8 by operating using Dynamic Skip Fire.

Fuel Economy 150

Fuel Economy Economy GM GMC 150

Green Car Congress

JUNE 30, 2016

Electric vehicles (EVs) will need to increase their combined market share to 16% by 2020 for markets to achieve the aggressive fuel economy standards set by regulators, according to new research by the World Energy Council, the UN-accredited global energy body representing the entire energy spectrum.

Fuel Economy 247

Fuel Economy 2020 Economy Standards 247

Green Car Congress

FEBRUARY 25, 2014

Southwest Research Institute (SwRI) has built a demonstrator vehicle, based on a 2012 Buick Regal GS, incorporating the latest D-EGR (dedicated EGR) technology ( earlier post ), an outgrowth of SwRI’s HEDGE (High Efficiency Dilute Gasoline Engine) consortium projects ( earlier post ). The compression ratio of the engine was increased to 11.7:1

Fuel Economy 277

Fuel Economy Engine Fuel Economy 277

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 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

Fuel Economy 210

Fuel Economy Economy Fuel Price 210

Green Car Congress

JANUARY 5, 2021

The battery-electric locomotive is expected to reduce the environmental impact from emissions along the route in an efficient manner, while improving the fuel economy for the entire consist by at least 10%. —Alan Hamilton, Wabtec vice president, Engineering.

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California Batteries Battery Electric 459

Green Car Congress

FEBRUARY 1, 2018

Engineers from Colorado-based Lightning Systems are using artificial neural networks to predict accurately the fuel economy and tailpipe emissions of fleet vehicles. Using artificial neural networks, we are able to accurately predict fuel consumption and emissions of commercial and government fleets.

Fleet 231

Fleet Emissions Fuel Vehicles 231

Green Car Congress

JULY 23, 2014

Enerpulse Technologies said that it has further identified the underlying mechanism by which its its pulsed energy ignition technology improves fuel economy, reduces emission and delivers higher torque in spark ignited (SI) internal combustion (IC) engines. —Wes Helgeson, senior research engineer.

Fuel Economy 210

Fuel Economy Plug Economy Energy 210

Green Car Congress

JANUARY 5, 2015

Drive cycle fuel economy for PFI, CDC, and multi-mode RCCI operation. Their paper is published in the International Journal of Engine Research. During RCCI-only operation, fuel usage was found to be between 57 and 69% gasoline. Dual-fuel RCCI injection strategy. Credit: Curran et al. Click to enlarge.

Fuel Economy 150

Fuel Economy Economy Light Fuel 150

Green Car Congress

FEBRUARY 20, 2012

A recent, independent, third-party test of a Thomas Built Buses Saf-T-Liner C2 against an IC Bus™ CE Series found that the SCR technology in the Thomas Bus delivers 7-27% better fuel economy than the EGR technology in the IC bus and, when factoring in the cost of diesel exhaust fluid (DEF), is the more cost-effective choice.

Fuel Economy 210

Fuel Economy Economy Fuel Exhaust 210

Green Car Congress

FEBRUARY 24, 2011

Criteria emissions by drive cycle. The team found that the gasoline hybrid electric (gHEV) trucks produced substantially reduced tailpipe emissions during all drive cycles tested in the laboratory when compared to conventional diesel vehicles. gasoline engine and Azure Dynamics, Inc. gasoline engine and Azure Dynamics, Inc.

Fuel Economy 186

Fuel Economy Economy Gasoline Diesel 186

Green Car Congress

JANUARY 15, 2018

and Saudi Aramco’s US-based subsidiary Aramco Services Company (ASC) have signed a joint development agreement providing the framework for the two companies to work together on a series of Opposed-Piston (OP) Engine projects, which will speed the development of new efficient, low-emissions powertrain choices. Achates Power, Inc.

Gasoline 240

Gasoline Engine Companies Power 240

Green Car Congress

SEPTEMBER 11, 2013

Among the objectives of the project is delivering a 5% fuel economy improvement by direct conversion of engine waste heat to useful electric power for light-duty vehicle application. For light duty passenger vehicles, the fuel economy improvement must be measured over the US06 cycle. Doug Crane, Gentherm.

Fuel Economy 218

Fuel Economy Waste Economy Fuel 218

Green Car Congress

MARCH 15, 2013

Adjusted CO 2 emissions and adjusted fuel economy, MY 1975-2011. The report finds that CO 2 emissions rates and fuel economy values reflect a very favorable multi-year trend beginning in MY 2005. Preliminary projections for MY 2012 are 374 g/mi CO 2 emissions and 23.8 Source: EPA. Click to enlarge.

Fuel Economy 284

Fuel Economy 2012 EPA Economy 284

Green Car Congress

APRIL 2, 2018

The US Environmental Protection Agency (EPA) Administrator Scott Pruitt announced the completion of the Midterm Evaluation (MTE) process for the greenhouse gas (GHG) emissions standards for cars and light trucks for model years 2022-2025, and his final determination that the current standards are not appropriate and should be revised.

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EPA Standards Emissions Light 199

Green Car Congress

JULY 11, 2018

A “well-to-wheel” life cycle assessment (LCA) by a team from synthetic fuels producer Greyrock ( earlier post ), and the National Renewable Energy Laboratory (NREL) has determined the potential reduction of greenhouse gases and criteria pollutant emissions from the use of synthetic fuels directly converted from flare gas.

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Pollution Gas Emissions Fuel 258

Green Car Congress

MARCH 11, 2012

While engine size has been decreasing slightly in recent years, overall engine horsepower has continued to increase, with the notable exception of MY 2009. Nearly all engines now have multiple valves (approximately 85%) and variable valve timing (projected to approach 95% in MY 2011). share for MY 2011, up from 3.8% in MY 2009.

Fuel Economy 236

Fuel Economy 2011 Economy EPA 236