Pardoned by Trump, Diesel Mechanic Joins Fight to Decriminalize Emissions System Tampering

Pardoned by Trump, diesel mechanic joins fight to decriminalize emissions system tampering

CHEYENNE, Wyo. — A Wyoming diesel mechanic, imprisoned for disabling emissions systems to help owner-operators afford repairs, was pardoned by President

Pardoned by Trump, diesel mechanic joins fight to decriminalize emissions system tampering

CHEYENNE, Wyo. — A Wyoming diesel mechanic, imprisoned for disabling emissions systems to help owner-operators afford repairs, was pardoned by President Donald Trump and is now supporting a campaign to decriminalize his past actions. Troy Lake Sr.’s life was changed Dec. 5, 2024, when he was imprisoned for repeated violations of the Clean Air Act by disabling emissions monitoring systems in commercial engines. His life changed again in November …

The Essential Role of the Diesel Particulate Filter in Modern Emissions Control

Clean air rules and tougher emissions standards have completely changed diesel engines over the last few decades. Diesel Particulate Filters—DPFs for short—are right at the center of this shift. These filters aren’t just some add-on part. They’re essential if you want to keep heavy-duty diesel machines running legally and reliably, especially in construction, mining, or any job that throws a lot of dirt and dust in the air.

Can diesel engines SURVIVE the EPA's latest emission mandates?

America runs on diesel. From freight haulers and farm equipment to fire trucks and snowplows, diesel engines are the literal torque behind our economy. Yet the same engines that built the nation’s backbone are now in Washington’s crosshairs — strangled by layers of federal regulation that threaten the people who keep America moving. The Environmental Protection Agency (EPA) insists it’s cleaning the air. But for those who live and work beyond th…