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SwRI engineers develop near-zero emissions diesel engine technology; 90% reduction of NOx

Green Car Congress

Southwest Research Institute engineers have developed the next generation of clean diesel engine technology to reduce hazardous nitrogen oxides (NO x ) and carbon dioxide emissions while minimizing fuel consumption. g/hp-hr NO x emissions). g/hp-hr NO x emissions). The work is described in a pair of SAE Technical Papers.

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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. Since compliance began, the program has helped to replace more than 8.6

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Truck Manufacturers Sue to Continue Polluting

CleanTechnica EVs

On the Friday before Memorial Day weekend, the Truck and Engine Manufacturers Association (EMA) and their member companies filed a lawsuit to delay a lifesaving California clean truck regulation: the Heavy-Duty Omnibus (HDO) rule.

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Irizar manufactures LNG long-distance coach with range of more than 1000km

Green Car Congress

Irizar has manufactured a liquid natural gas (LNG) i4 model coach with a range of more than 1000 kilometers (621 miles) for intercity or short distance routes. meters long, has a double central door with built in PRM manufactured by Masats and was been built on a Scania 320 EB 4X2 E6D LNG biofuel chassis with a 9-liter, 320 hp engine.

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Fiat pays CARB $6.4M penalty for diesel emissions violations

Green Car Congress

for emissions-related violations affecting nearly 2,000 on-road and off-road diesel engines. Emission-related field fixes must be reviewed and approved by CARB to ensure they don’t increase emissions. million will be paid to the Air Pollution Control Fund to support air pollution research and education.

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Achates near-zero heavy-duty opposed-piston diesel enters fleet service; compliant with 2027 NOx levels

Green Car Congress

liter, heavy-duty opposed-piston, three-cylinder diesel engine it developed in a project funded by the California Air Resources Board (CARB) and several partners ( earlier post ) has entered fleet service with WALMART Corporation in a Peterbilt 579 tractor. Achates Power announced that the 10.6-liter, liter engine.

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US reaches $1.5B settlement with Daimler AG over emissions cheating in Mercedes-Benz diesels; civil penalty of $875M

Green Car Congress

The US Environmental Protection Agency (EPA), USDepartment of Justice (DOJ), and California Air Resources Board (CARB) announced a proposed settlement with Daimler AG and its American subsidiary Mercedes-Benz USA, LLC resolving alleged violations of the Clean Air Act and California law associated with emissions cheating.