Prepare to say goodbye to those smelly fumes and black exhaust clouds. Diesel is starting to clean up its act. On Oct. 15, truck stops and gas stations nationwide will begin selling "clean" diesel ...

Diesel engine exhaust contains pollutants such as nitrogen oxides and soot particles. Although governments from the late 1990s onward encouraged their uptake in the belief they were more ...

As oil prices reached a record high Tuesday, the U.S. Environmental Protection Agency and auto parts supplier BorgWarner Inc. announced a partnership to develop cleaner diesel technology with the goal ...

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 ...

California is set to receive a lump sum of funds from the Volkswagen Environmental Mitigation Trust following its diesel emission scandal. With $423 million at the state's discretion, groups are ...