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Optimized heavy-duty CI engine fueled with DME delivers diesel performance, significantly reduces engine-out emissions

Green Car Congress

A team from Empa - Swiss Federal Laboratories for Materials Science and Technology and FPT Motorenforschung reports in an open-access paper in the journal Fuel on the performance and emission characteristics of an 11-liter heavy-duty compression ignition engine which was optimized specifically for DME (dimethyl ether) combustion.

Engine 368
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FCA US LLC to pay ~$300M in criminal penalties over diesel emissions test cheating

Green Car Congress

liter diesel engine for use in FCA US’ Jeep Grand Cherokee and Ram 1500 vehicles that would be sold in the United States. liter diesel engine for use in FCA US’ Jeep Grand Cherokee and Ram 1500 vehicles that would be sold in the United States. liter diesel program’s goals, timing, and marketing strategy.

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EPA AED estimates emissions controls were removed from > 550K diesel pickups over last decade; impact equivalent to adding 9M additional trucks

Green Car Congress

In a new report , the US Environmental Protection Agency (EPA) Air Enforcement Division (AED) estimates that the emissions controls have been removed from more than 550,000 diesel pickup trucks in the last decade. The AED report includes only tampering that involves the complete removal and disablement of emissions controls hardware.

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Cummins showcases 15L fuel-agnostic engine platform; hydrogen, diesel, biogas

Green Car Congress

At CONEXPO, Cummins showcased its new fuel-agnostic 15-liter engine platform with hydrogen, natural gas and advanced diesel engines offering low-to-zero carbon fuel capability. The next-generation engine is designed to accelerate the decarbonization of heavy-duty off-highway applications.

Hydrogen 448
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A Bamboo Carbon Filter for Diesels Could Reduce Emissions

Cars That Think

Diesel cars are a popular choice for those looking to buy a used vehicle in Asia, Europe, and elsewhere. After all, diesel cars cost less to maintain, burn less fuel, and have a longer engine life. Older models don’t even have the emission-control features that newer ones do.

Carbon 107
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CARB: clean fuels replaced more than 50% of diesel used in California in Q1 2023

Green Car Congress

Clean fuels replaced more than 50% of the diesel used in the state in the first quarter of 2023, according to the California Air Resources Board (CARB). billion gallons of diesel. The program is designed to lower the carbon intensity in fuels by assessing each step in their production, from extraction to combustion.

Clean 367
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Argonne helps optimize piston bowl design for Caterpillar heavy-duty engines using high-performance computing

Green Car Congress

Argonne National Laboratory is helping Caterpillar improve efficiency and reduce emissions in their heavy-duty diesel engines. Heavy-duty diesel engines still power most large vehicles used in the construction, mining and transportation industries in the United States. The workflow we developed will benefit everyone.

Design 459