What s more, a poorly maintained beater is more harmful to the environment and shortens the useful life of the car. If a well-maintained car gets 25 miles per gallon, a neglected car may only get 20 miles per gallon. The maintained car would use about 120 gallons less fuel. And burning less fuel also means less pollution. Most manufacturers recommend changing oil about every three months or 3,000 miles under normal circumstances.
Every auto manufacturer suggests a maintenance schedule in the owner s manual.
If you drive, you have the power to stop people from having asthma attacks sort of. Cars dirty up the air with several types of pollution that worsen asthma. If you keep your car tuned-up, it produces less pollution, and that helps clean up the air. Both attack people s respiratory systems and can trigger asthma attacks. Ground-level ozone forms when fumes from cars, paint, factories, lawn mowers, boats, and other sources sizzle in the hot summer sun.