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 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 ...

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 ...

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 ...

In case you've faced some hurdles solving the clue, Def!, we've got the answer for you. Crossword puzzles offer a fantastic opportunity to engage your mind, enjoy leisure time, and test your knowledge ...

Backdraft Racing has been successfully competing on circuits in various series across Southern Africa over the past twenty years and... Backdraft Racing has been successfully competing on circuits in ...

On this date in 1999, Brooklyn lyricist, actor, and social activist Yasiin Bey—who the Hip Hop world first knew as Mos Def—released his debut solo album Black On Both Sides on the Rawkus/Columbia ...

The Environmental Protection Agency (EPA) has issued new guidance regarding diesel exhaust fluid (DEF) systems in diesel engines that cause trucks and tractors to enter “limp mode” when DEF levels are ...

[Stay on top of transportation news: Get TTNews in your inbox.] The Environmental Protection Agency is directing truck manufacturers to revise software in new and existing trucks to prevent engine ...

Even nearly 50 years into their career, Def Leppard still has something to say. The band recently announced Def Leppard: Live at Caesars Palace The Las Vegas Residency, and will play a dozen shows in ...

EPA Administrator Lee Zeldin announced a proposal on Tuesday to rescind regulations that paved the way for the requirement of DEF use. Mike Berdo has strong words to describe his ongoing experiences ...