Diesel engines across agriculture, trucking and construction have been sidelined by a tiny part that was supposed to keep the ...

Sick of DEF failures shutting you down? EPA is pushing changes that could reduce disruptions caused by faulty sensors.

GM Duramax diesel DEF tank failures are increasingly popping up in social media and owners are furious about the problems around the issues with the trucks. These complaints keep popping up on various ...

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 ...

New guidance allows engine makers to replace problematic DEF sensors with NOx-based systems, aiming to reduce unnecessary ...

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

Most diesel truck owners understand how to put diesel exhaust fluid (DEF) in their trucks. However, some make the mistake of getting DEF in their fuel tank instead of the dedicated DEF tank. As the ...

Chairman Capito, Ranking Member Whitehouse, and Members of the committee, I appreciate the opportunity to testify today on the impact of diesel exhaust fluid (DEF) on the agricultural community. My ...