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

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

The rules require diesels to emit 82.5 percent fewer oxides of nitrogen, or NOx, cutting it to 0.035 grams per ...

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

Discover the full review of the 2026 Cadillac Lyriq on CompleteCar.ie, featuring performance, practicality, technology, ...

Selective catalyst reduction (SCR) systems were introduced in 2010 in the United States to meet the NOx requirements. With an ...

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

Volvo is now facing a class action lawsuit after a user experienced bizarre electrical problems, mostly related to the infotainment system, that went ...

PHOENIX — A special team named to find out why 6,554 child-abuse cases went uninvestigated concluded Friday there was a “systemic failure, a lack of accountability and transparency and bad ...