When a semi truck's diesel engine derates, it means that it's limiting power. It mostly triggers from faults with the filters ...

Is Anthropic Mythos model the most capable AI yet? A powerful new AI has triggered global concern. Anthropic says its Mythos system has already found thousands of critical software vulnerabilities.

If a truck driver wants to save a few bucks by running some of its miles without diesel exhaust fluid (DEF), it’s now going ...

Diesel owners who have wrestled with warning lights, sudden power loss or even complete shutdowns tied to diesel exhaust ...

The company running the Bay Area’s next-generation transit fare payment system revealed the depth of its ongoing issues, ...

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

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

The EPA is targeting faulty DEF sensors with new guidance allowing a different type of sensor to monitor NOx emissions in diesel engines. In the Trump administration’s latest steps to address the ...

At the White House Great American Agriculture Celebration (March 27, 2026), President Trump announced another decisive action U.S. Environmental Protection Agency (EPA) Administrator Lee Zeldin has ...

(ANSA) - Rome, April 10 - Transport and Infrastructure Minister Graziano Delrio said Friday that there were no major problems behind the decision to postpone the cabinet meeting to approve the ...

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 ...

President Donald Trump on Friday announced the Environmental Protection Agency was removing the DEF sensor requirement for all diesel equipment used by farmers, truckers, and bus drivers. At the same ...