Diesel Exhaust Fluid has an expiration date, after which it becomes far less effective and can even damage your engine.

CVSA's letter to FMCSA suggested withholding the bar for ELP compliance from truckers was a big barrier to increasing ...

Troy Lake served seven months in prison for disabling emission control devices in at least 344 heavy-duty commercial trucks.

When agents eventually “caught on,” Paul reported, they raided Lake’s shop in 2018. Years later, under the Biden ...

Energy analysts and environmentalists say diesel generators are expensive, noisy, highly polluting and exempt from Clean Air ...

The president pardoned a Wyoming-based tuner who was found guilty of deleting emissions systems on diesel trucks.

Diesel engines are the backbone of the commercial vehicle industry. They haul freight, power equipment, and keep vital operations moving. But as diesel technology has advanced, so too has the ...

General Motors is currently investigating reports of an occasional misfire affecting vehicles equipped with the 3.0L I6 LZ0 ...

Sen. Cynthia Lummis, R-Wyo., introduced the Diesel Truck Liberation Act in October. Among the bill’s provisions is one that ...