The best diesel trucks have a lot going for them, from power to efficiency to durability. However, these are not the best ...

Edison Motors claims its system can be retrofitted to just about any pickup out there at half the cost of a new truck.

Once a $93K flagship, the 2013 Mercedes S350 Bluetec now sells for $12K—offering diesel power, comfort, and durability at a ...

With almost 3 million miles on the odometer, this Mercedes sedan proves just how durable a diesel engine can be.

However, these factors didn't stop some brands. Take Mercedes-Benz, for example. The German automaker produced today's model ...