HOLLY, Mich., April 16, 2025 (GLOBE NEWSWIRE) -- A diesel truck, car or SUV that is losing power and fuel economy, shutting down unexpectedly, and/or has a DEF warning light illuminated is probably ...

The Environmental Protection Agency (EPA) has issued new guidance regarding diesel exhaust fluid (DEF) systems in diesel engines that cause trucks and tractors to enter “limp mode” when DEF levels are ...

The Environmental Protection Agency announced it is taking actions to ease the frustration and disruptions around sudden “derates” of diesel engines when they run ...

This is the kind of question where we'd better talk about terms before answering it. That's because AdBlue is a brand name for what folks in the United States usually call diesel exhaust fluid — aka ...

If you regularly drive a modern-day diesel-powered vehicle, chances are, you know what Diesel Exhaust Fluid (DEF) is. A crucial component used by most modern vehicles with diesel engines, DEF — which ...