EPA demands DEF failure data from diesel makers. Investigation could force recalls and software fixes for engines already on U.S. roads. 30-day deadline set.

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 ...

EPA’s unwinding of the Obama-era endangerment finding could amount to the largest deregulation in history. One positive outcome for farmers is the change it could mean for the use of Diesel Exhaust ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. (Photo: Jim Allen/FreightWaves. Diesel Exhaust Fluid pumps like this one have become a lifeline and a headache for truckers — and ...

Few engine and vehicle debuts have been anticipated with the same level of excitement as the 5.0L Cummins-powered Nissan Titan XD. For years, Cummins has produced some of the best diesel motors ever ...

The quality of the DEF going into your vehicle is as important as the quality of the engine oils or fuels used in your vehicles. When diesel-powered trucks sit idle for extended periods, it’s easy to ...

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 ...

DEF is a key component in lowering pollutants emitted from diesel engines, helping to reduce harmful emissions. Long-haul truckers and diesel engine enthusiasts had to rethink their entire operations ...

Maintaining optimal performance and ensuring compliance with emissions standards go hand in hand for operators of diesel trucks. Diesel Exhaust Fluid (DEF) is a critical component in achieving both.