Clean diesel truck engines and emissions control systems now make up on average 30% of all heavy-duty commercial vehicles in operation in the U.S. as a result of adoption by fleets over the past five ...

As the 2027 EPA mandate looms, OEMs are still proving that advanced diesel engines are the most efficient way to keep fleets ...

The introduction of new technology clean diesel truck engines and emissions control systems into Pennsylvania's trucking fleet over the last five years is now at a 35% level, yielding significant ...

Scientists discover that adding water to diesel fuel could slash nitrogen oxide emissions by 67% and particulate matter by 68 ...

My journey to clean up diesel emissions began 24 years ago. As Director of the Office of Transportation and Air Quality at the U.S. Environmental Protection Agency, I chaired a public hearing in ...

If you value independent local news, become a sustainer today. Your gift could help unlock a $1M challenge. California has decided to abandon its groundbreaking regulations phasing out diesel trucks ...

California has decided to abandon its groundbreaking regulations phasing out diesel trucks and requiring cleaner locomotives because the incoming Trump administration is unlikely to allow the state to ...

The co-owner of two local diesel truck service and sales businesses pleaded guilty Monday in U.S. District Court in Tacoma to violating the Clean Air Act, according to a news release from the U.S.

RealTruck.com reports on the latest truck accessories, featuring new products to enhance vehicle performance and style.

California has decided to abandon its groundbreaking regulations phasing out diesel trucks and requiring cleaner locomotives because the incoming Trump administration is unlikely to allow the state to ...

Add Yahoo as a preferred source to see more of our stories on Google. California has decided to abandon its groundbreaking regulations phasing out diesel trucks and requiring cleaner locomotives ...