The long-awaited proposed changes in a set of EPA heavy-duty truck regulations that loosely is referred to as “the NoX rule,” ...

For months, diesel truck owners have wondered whether the Trump administration would dramatically roll back EPA emissions ...

Somewhere on the Dalton Highway this winter, a loaded semi will lose power at forty below zero — not because the engine failed, but because a sensor decided its emissions system wasn't behaving. That ...

Sensor gas chromatography (GC) determines whether water chasers change alcohol metabolism. Hangovers can make it harder to safely drive a car or work in jobs that require careful attention, on top of ...

Cummins and Paccar are rolling out software updates tied to revised EPA guidance on DEF inducement. The changes aim to ...

Updated diesel engine software gives truck operators more time to address emissions-system issues while staying compliant ...

In this video, we explain car engine sensors, detailing their functions, operations, locations, and effects of malfunctions.

On July 3, 2026, President Trump pardoned early a dozen people who were convicted under the Clean Air Act for tampering with ...

Principal Data Engineer Rajesh Mattaparthi is using transformer-based AI to detect hidden faults in standby power generators ...