The founder of Spartan Diesel Technologies, a Ford Power Stroke tuning company, has been imprisoned for selling thousands of emissions-defeat devices, which the Environmental Protection Agency found ...

Big players in the diesel truck aftermarket are getting excited about loose regulations and high profits under Trump's EPA after years of harsh enforcement. We’re right on the cusp of Trump’s ...

Parts suppliers, race shops and tuners alike have all found themselves in the crosshairs of an increasingly strict EPA thanks to the latest round of National Compliance Initiatives, which specifically ...

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 ...