Diesel engines can be more efficient than gasoline engines, but that's largely due to DEF. Here's what it does, how it helps, ...

A diesel engine is simultaneously incredibly simple and incredibly violent, using compression as a means of ignition. This is because of the properties of diesel fuel: Namely, diesel is less volatile ...

Who hasn't experienced being behind the wheel and anxiously glancing at the fuel gauge as the needle hovers over empty? Whether it's due to forgetfulness or an effort to squeeze as many miles out of ...

If you've ever noticed that your car seems to run better in the cold, you're not alone. The internet is flooded with first-hand accounts of vehicles apparently delivering greater power and ...