Everything, even the smallest of things, can affect the performance of your engine. Whether topping off your fuel tank or driving on motor oil past its expiration date, you're slowly killing your car.

It's a classic tale of car sabotage. A crazy person, or someone mad at you, sneaks up in the middle of the night, opens your fuel cap, and dumps a handful of sugar. Your engine is toast by morning. No ...

Modern hybrids have been helping folks save gas for about 25 years at this point, with the first mainstream model, the Toyota Prius, launching in Japan in 1997. Yet, even after a quarter of a century, ...