Tag: Air Filter

Are you replacing your air filter too often? Find out what AAA says about air filter replacement and how often you should do it.

(NewsUSA) - For years, experts including the Environmental Protection Agency told motorists to change their car's engine air filter frequently for maximum fuel economy. However, a recent study funded by the U.S. Department of Energy found that air filter condition has no significant effect on the fuel economy of modern fuel-injected engines.