DEF sensors are more than just emissions components—they are key tools for managing fluid costs and optimizing vehicle performance. The EPA must ensure future industry regulations continue to advance ...

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 ...

EPA approved guidance allowing diesel manufacturers to replace urea quality sensors with NOx sensors in DEF systems. The agency said faulty DEF sensors are a significant source of warranty claims and ...

Add Yahoo as a preferred source to see more of our stories on Google. DEF sensors will no longer be required following EPA policy. (Photo: Jim Allen\FreightWaves) Diesel Exhaust Fluid sensors will no ...

The Environmental Protection Agency announced on March 27, 2026, that it is removing the diesel exhaust fluid sensor requirement for all diesel equipment, a decision the agency frames as a direct ...

Curt Bennink grew up on a corn, soybean, cow-calf, and hog farrowing farm northeast of Larrabee, Iowa. He earned an Engineering Operations degree from Iowa State University before joining the ...

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 ...

Depending on who you ask, “DEF” might as well be a four-letter word. The acronym stands for diesel exhaust fluid, a solution that breaks down nitrogen oxides and significantly reduces emissions from ...

During the Civil War’s Battle of Hampton Roads, the warship USS Monitor, known as “the little ship that saved the nation,” fought to preserve the Union blockade. The National Oceanic and Atmospheric ...

Momentum Over Milestones: Success is not the destination you applaud at the finish line; it is the courage to stay aboard while the landscape blurs, the turns tighten, and the goalpost keeps moving ...

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 ...