Ram's three-quarter-ton diesel sits on a short list of trucks that can tow like locomotives and rack up odometer numbers some half-tons never get close to. A big part of that reputation comes from the ...

Nearly a decade after Dieselgate, another huge emissions scandal is set to reach its conclusion with a record-breaking settlement and a huge recall. This time it is Cummins in the legal crosshairs, ...

While VW is moving toward the end of buybacks, payments, and fines for eight years of cheating on diesel emission standards, Fiat Chrysler is still in the thick of its own diesel mess involving Jeep ...