Despite the recent news that the Environmental Protection Agency (EPA) no longer lists emissions defeat devices as a top priority, there’s still no two ways about it: Tampering with a tune to defeat ...

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 EPA's fight against coal rollers continues as the agency slapped two Idaho tuning shops with a $1 million total fine for selling diesel emissions defeat devices. according to a release from the ...

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 ...

The EPA has proven yet again that there will be consequences for those in the automotive aftermarket who are unwilling to respect the Clean Air Act. Spartan Diesel Technologies founder Matthew Sidney ...

The EPA had previously issued Spartan Diesel Technologies a violation notice for selling these tunes back in 2015, but the company never responded. That inaction was followed up by a $4.15 million ...