A tuning company in Roseville, California will pay $1 million in fines and penalties after it pleaded guilty to selling thousands of products that allowed pickup truck owners to bypass the emissions ...

In a move that could reshape enforcement of the Clean Air Act in the diesel truck world, the United States Department of Justice has formally announced that it will no longer pursue criminal charges ...

The Environmental Protection Agency (EPA) is proposing to require the emissions control systems of large diesel and gasoline highway trucks and buses The Environmental Protection Agency (EPA) is ...

A Roseville company that sells performance parts for diesel trucks pleaded guilty to criminal charges of tampering with emission control systems and agreed to pay $1 million in criminal fines and ...

POCATELLO – Diesel performance parts retailers GDP Tuning LLC and Custom Auto of Rexburg LLC, doing business as Gorilla Performance, and owner Barry Pierce were sentenced today in federal court in ...

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 ...

PORTLAND, Ore. (KOIN) — The federal government is going after a Hillsboro business, accusing them of modifying hundreds of diesel trucks to disable pollution control systems. The U.S. Attorney’s ...

Belgium's Umicore has reportedly found a way to replace some platinum with palladium in diesel emission control systems, boosting the price of palladium and its own shares. According to a Reuters ...

Emission control systems in modern cars have slashed air pollutants such as particulate matter and nitrogen oxides. But these systems face two major challenges: carmakers cheating on pollution tests ...

The Engine Technology Forum (ETF) today released the following statement from Allen Schaeffer, Executive Director, regarding state and local legislation and the evaluation of diesel and natural gas ...