The Diesel Truck Liberation Act would eliminate federal enforcement of diesel emissions controls and reshape EPA authority.

New SCR exhaust after-treatment technology delivers lower NOx emissions, faster activation, and improved sustainability for ...

The global diesel and gas generator market continues to expand as demand for reliable power solutions grows across industries ...

SACRAMENTO, Calif.SACRAMENTO, Calif. — A California company will pay $1 million for violating federal environmental laws by making and selling devices that defeated smog controls on diesel trucks, ...

If you're into diesel trucks, you may already be aware of the fact that a thriving market exists for aftermarket enhancements and modifications. There are various ways to get more horsepower out of ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. SACRAMENTO, Calif. (AP) — A California ...

A Roseville-based truck parts manufacturer on Tuesday agreed to pay $1 million after pleading guilty in Sacramento federal court to conspiracy and for making and selling illegal “defeat devices” that ...

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 ...

Yet another tuning shop has been fined as part of the U.S. Environmental Protection Agency’s ongoing war on diesel emissions defeat devices. At the receiving end of the punishment this time around is ...