There is plenty of misinformation swirling around, so here is what you need to know to sort fact from fiction.

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 U.S. Environmental Protection Agency (EPA) is escalating its response to consumer complaints regarding Diesel Exhaust Fluid (DEF) system failures, announcing a new investigation aimed at major ...

Duramax diesel truck owners are reporting widespread diesel exhaust fluid (DEF) tank-related failures that trigger warning messages, reduced engine power, and speed-limiting modes. Many cases involve ...

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 ...

Long-haul truckers and diesel engine enthusiasts had to rethink their entire operations in 2010 when the Environmental Protection Agency mandated selective catalytic reduction technology. Selective ...

Diesel exhaust fluid (DEF) is essential for keeping modern diesel engines compliant with emissions laws and running efficiently. But ignoring your DEF tank or using poor-quality fluid can lead to limp ...

If you're short on time, here's what you should know. The primary claim made in the viral Facebook post was that Union Pacific was placing an embargo on Pilot Flying J. That supposed embargo would ...

GM pickups powered by a Duramax diesel engine offer loads of benefits, including strong low-end torque and impressive real-world efficiency. However, diesel engines also require some specialized ...