Cummins and Paccar are rolling out software updates tied to revised EPA guidance on DEF inducement. The changes aim to ...

In this video, we explain car engine sensors, detailing their functions, operations, locations, and effects of malfunctions.

On July 3, 2026, President Trump pardoned early a dozen people who were convicted under the Clean Air Act for tampering with ...

When you’re driving your car, you’re probably regularly looking at the speedometer to make sure you comply with the local speed limits. The method by which it works is simple enough: ...

A few years of bad experiences on a 2014 F-350. I could write a book. In shop for warranty replacement of DEF temp sensor. They did the work so I was told. Left the shop and check engine light is on ...

Ahead of what’s sure to be a tough planting season, some farmers frustrated by in-field equipment shutdowns due to fragile diesel exhaust fluid systems might feel like they’ve received a leg up from ...

The U.S. Environmental Protection Agency (EPA) last week issued guidance that drops the requirement for Diesel Exhaust Fluid (DEF) sensors as part of a truck's aftertreatment system and allows truck ...

New regulatory guidance for diesel engines could save U.S. industries billions of dollars for farmers and truckers, but clean-air advocates say it could pose a significant risk to public health. Lee ...

Trump EPA removes diesel DEF quality sensor making diesels more reliable Posted: March 28, 2026 | Last updated: March 28, 2026 The Trump EPA announced today they are removing the DEF sensor for diesel ...

The U.S. Environmental Protection Agency on Friday said it is dropping the requirement for diesel exhaust fluid (DEF) sensors as part of a truck's aftertreatment system in favor of monitoring actual ...

The White House came alive today with the Great American Agriculture Celebration, but the real fireworks happened when President Trump announced a massive regulatory shift that is set to change the ...

The United States Environmental Protection Agency has changed its tune on diesel trucks under the current administration. Whereas previous versions of the EPA pursued massive penalties and even ...