#EngineAirFilter

Gas and diesel engines still power most vehicles and look poised to be with us for some time to come, even if their dominance is waning. Any engine that develops its power from burning fuel depends on vast amounts of air for the combustion process and efficient operation.

Today’s cars are much less maintenance intensive, but there are still bits and pieces that, when faulty, can keep your car from running its best. And when it’s running its best, it’s not only delivering the most horsepower, but also the best fuel economy (depending on how you use the go-pedal). Here are six parts you might want to replace to get your car running smoothly again.