Starting in 2026, diesel owners and repair shops will no longer run the risk of federal criminal chargers for performing two ...

The Justice Department ordered prosecutors to drop all pending cases targeting the sale of illicit "defeat devices" in diesel ...

In a move that could reshape enforcement of the Clean Air Act in the diesel truck world, the United States Department of ...

The Trump administration has continued to scale back vehicle emissions-related regulations that were expanded under the ...

A Roseville firm accused of selling thousands of devices that allowed truck drivers to defeat emissions controls on vehicles pleaded guilty Tuesday in federal court in Sacramento, agreeing to pay $1 ...

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This is an archived article and the information in the article may be outdated.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 ...

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 ...

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 ...

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, prosecutors announced ...