Add Yahoo as a preferred source to see more of our stories on Google. Will the ability to stop using DEF sensors impact its consumption level? (Photo: Shutterstock) If a truck driver wants to save a ...

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 ...

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 ...

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 ...

Vincenzo Iozzo, Joichi Ito and Pablos Holman are barred from future attendance after Justice Department files revealed their roles in efforts to secure Jeffrey Epstein’s access to DEF CON. The DEF CON ...

Hello everyone who just watched Sophie's backstory get revealed on Bridgerton—aka the moment the Earl of Penwood introduced her as "my ward" to his new wife, Araminta. The scene was slightly confusing ...

Universal Music Greater China has established Def Jam Recordings China, marking the iconic hip-hop label’s entry into the Chinese market with headquarters in Chengdu, a city recognized as the ...

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 ...

Corrected: A previous version of this story misstated Devin Kearn’s university affiliation. A recent change to the definition of dyslexia put forth by an international group of researchers and ...