The NHTSA has intensified its scrutiny of Tesla’s Full-Self Driving system, focusing on how it copes when visibility drops.

Diesel exhaust fluid freezes at 12 degrees Fahrenheit, leaving ice road truckers in a dangerous predicament when their big ...

GM Duramax diesel DEF tank failures are increasingly popping up in social media and owners are furious about the problems ...

Testimony as prepared for Todd Fornstrom, President of Wyoming Farm Bureau Federation, before the Senate Environment and ...

Nebraska Attorney General Mike Hilgers supports the EPA announcement regarding DEF system failures. "Consumers have the right to repair their diesel equipment to ensure they function properly and ...

The U.S. Environmental Protection Agency (EPA) is escalating its response to consumer complaints regarding Diesel Exhaust Fluid (DEF) system failures, announcing a new investigation aimed at major ...

Forbes contributors publish independent expert analyses and insights. Hugh McIntyre covers music, with a focus on the global charts. Def Leppard kicked 2026 off with a bang by releasing a new single ...

LAS VEGAS – Even if you’ve been to a Def Leppard concert before, you’ve never seen them like this. The enduring British quintet kicked off their 12-show residency at The Colosseum at Caesars Palace ...

The Environmental Protection Agency is requiring 14 major diesel engine manufacturers to provide detailed information about diesel exhaust fluid system failures that have affected farmers and truckers ...

Add Yahoo as a preferred source to see more of our stories on Google. EPA wants to eliminate truckers stranded by engine failures. (Photo: Jim Allen/FreightWaves) WASHINGTON — In a move to end “limp ...

The data collected will allow EPA to independently evaluate ongoing system failures. As of Feb. 2, engine manufacturers have 30 days to provide EPA with data on model years 2016, 2019 and 2023 ...