This DEF sensor can shut down diesel engines even due to faulty readings, prompting the EPA to remove it as a requirement.

The U.S. Small Business Administration estimates new guidance on diesel exhaust fluid sensors will save farmers and truckers ...

The feds aren't scrapping DEF altogether, but this could potentially address a large portion of emissions system failures.

New guidance allows engine makers to replace problematic DEF sensors with NOx-based systems, aiming to reduce unnecessary ...

EPA’s latest move on diesel exhaust fluid systems aims to reduce unexpected derates and costly downtime, both persistent ...

Sick of DEF failures shutting you down? EPA is pushing changes that could reduce disruptions caused by faulty sensors.

The Environmental Protection Agency announced on March 27, 2026, that it is removing the diesel exhaust fluid sensor ...

EPA has rescinded rules requiring Diesel Exhaust Fluid Urea Quality Sensors on diesel-powered vehicles and nonroad equipment. EPA Administrator Lee Zeldin said the change was meant to address ...

Def Con, one of the largest and longest-running hacking conferences in the world, announced on Wednesday that three people linked to Jeffrey Epstein are no longer allowed to attend. The conference ...

Add Yahoo as a preferred source to see more of our stories on Google. Guitarist Vivian Campbell, bass guitarist Rick Savage, drummer Rick Allen, singer Joe Elliott and guitarist Phil Collen of Def ...

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 ...

The Environmental Protection Agency on Tuesday said it would put forth a rulemaking in the Federal Register seeking information to help it to permanently end diesel derates. The action follows an ...