The rules require diesels to emit 82.5 percent fewer oxides of nitrogen, or NOx, cutting it to 0.035 grams per ...

ROCHESTER, N.Y. – As businesses, school districts, cities and power companies all signal they’re not ready for the state’s forced transition to zero emission trucks and buses, one local company says ...

GreenMan Technologies says its American Power Group Inc. subsidiary has received a Vehicular Memorandum of Exemption and eleven initial Test Exemptions from the U.S. EPA for the testing and ...

Cummins released details of its 2027 X15 diesel engine, which it says meets EPA 2027 emissions requirements while improving fuel economy — and without adding weight or using more diesel exhaust fluid.

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Prashirwin Naidu is a South African motoring journalist and presenter with a deep passion for cars, driving experiences, and the evolving automotive landscape. Known for his energetic yet insightful ...

Internal combustion engines are incredibly complicated machines that many of us interact with on a daily basis, but don't completely understand. You get in your car, turn the key or push the start ...

An electronics technician modified a vehicle engine system so it can run with water used as an additive to diesel.

Diesel engines typically have beefier, more robust cooling components to keep the motor cool in varying conditions. Modern diesels operate at a higher compression ratio, which makes their combustion ...