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 EPA is encouraging manufacturers to return to or adopt NOx sensor-based strategies to improve system robustness and reduce failures associated with DEF sensors, but OEMs are largely left to ...

Diesel exhaust fluid is essential for keeping your engine functioning without letting off too many emissions. But it doesn't ...

Diesel engines across agriculture, trucking and construction have been sidelined by a tiny part that was supposed to keep the ...

The company running the Bay Area’s next-generation transit fare payment system revealed the depth of its ongoing issues, leaving transit officials preparing for increased costs.

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.

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 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 ...