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 ...

President Donald Trump and the U.S. Environmental Protection Agency announced guidance allowing the removal of the DEF sensor requirement for all diesel equipment. EPA said sudden speed losses caused ...

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 ...

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 ...

A pulse of light sets the tempo in the material. Atoms in a crystalline sheet just a few atoms thick begin to move—not randomly, but in a coordinated rhythm, twisting and untwisting in sync like ...

We may receive a commission on purchases made from links. The government's strict emissions limits for combustion-powered vehicles have pushed automakers to develop technologies that let their engines ...

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 ...

Def Leppard has confirmed their first 2026 appearances, returning with a new 12-show residency at the Colosseum at Caesars Palace. See complete dates below. This is Def Leppard's third run in Las ...