In almost 25 years powering General Motors trucks and SUVs, the 6.6-liter Duramax V8 diesel engine has earned a loyal ...

Add Yahoo as a preferred source to see more of our stories on Google. Image Credit: Shutterstock. The Environmental Protection Agency wants to change how diesel trucks respond when their emissions ...

Engine manufacturer Cummins and truck maker PACCAR announced Monday widespread software updates designed to give fleet operators more time to repair diesel exhaust fluid (DEF) systems before vehicles ...

Service records looked fine, but this 3.0L Duramax teardown uncovered timing chain chaos, broken rockers, and a ruined bottom end. The Duramax LM2 diesel offered power and efficiency, but early models ...

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 ...

Tyler Reddick and Michael Jordan's 23XI Racing have done it again. The No. 45 car has won its third race in a row to start the 2026 NASCAR season, racing to victory at the DuraMAX Texas Grand Prix ...

The data collected will allow EPA to independently evaluate ongoing system failures. As of Feb. 2, engine manufacturers have 30 days to provide EPA with data on model years 2016, 2019 and 2023 ...

DES MOINES, Iowa (IOWA CAPITAL DISPATCH) - U.S. Environmental Protection Agency Administrator Lee Zeldin announced guidance Tuesday for engine and equipment manufacturers to prevent sudden shutdowns ...

General Motors has agreed to shell out $35 million to settle with owners after a class action lawsuit alleged that certain Chevrolet and GMC pickup truck models were built with defective high-pressure ...

If you own a 2011–2016 Chevrolet Silverado or GMC Sierra packing a Duramax diesel engine under its hood, thanks to a proposed settlement in a class-action lawsuit, you may be entitled to some cash in ...

General Motors (GM) has agreed to pay a $35 million settlement to owners of certain General Motors Company (GMC) and Chevrolet vehicles after a class action lawsuit was brought against the company for ...

General Motors' Duramax engine family is one of the three leading names in diesel engines, right up there with Ford's Power Stroke and Cummins' diesel engines — like the legendary Cummins 6BT — ...