Diesel engines in trucks and some passenger vehicles can derate power and go into limp mode, and this can be caused by a ...

Toyota clearly got it right with this engine three decades ago, and it's still selling it virtually unchanged in new vehicles ...

The war in Iran has disrupted supplies of diesel, used to power trucks and heavy equipment, much more than gasoline, which is ...

Service records looked fine, but this 3.0L Duramax teardown uncovered timing chain chaos, broken rockers, and a ruined bottom ...

USS Spruance ran through procedure with the Iranian-flagged vessel before finally opening fire with its deck gun when the ...