It's still illegal to violate the Clean Air Act, but now the worst that can happen is a fine.

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 ...

The Department of Justice says it will no longer seek criminal charges tied specifically to tampering with a vehicle’s ...

Mainstream diesel performance hit a home run when Dodge introduced the Cummins-powered Dodge Ram in 1989. In stock trim, the trucks were reliable yet underpowered, but it wasn’t long before ...

Down in Arizona, there’s a fight unfolding between the U.S. Environmental Protection Agency and diesel truck tuner Gear Box Z, which has been targeted as part of the EPA’s ongoing war against anything ...

SCT's latest flash device, the Livewire, not only provides your fast Ford with improved power, it also records a number of performance measurements and datalogs many parameters. We've had the ...

POCATELLO, Idaho, August 1, 2024 (ENS) – A million dollar fine was imposed Tuesday on diesel performance parts retailers GDP Tuning LLC and Custom Auto of Rexburg LLC, doing business as Gorilla ...

GMC Sierra HD owners looking to squeeze more performance from their Duramax engines now have a new plug-and-play solution, courtesy of the folks from Gale Banks Engineering. The well-known diesel ...

Gorilla Performance, or GDP Tuning LLC to use its legal name, and its owner Barry Pierce pleaded guilty to criminal charges over the sale and distribution of devices designed to defeat emissions ...