Keep tires inflated at correct weight. When tires aren t properly inflated, fuel efficiency could decrease 8 percent. Change motor oil according to the manufacturer s recommendation. Dirty oil can cause vehicles to fail emission standard testings, it can decrease the life of the vehicle and reduce gas mileage. Inspect belts regularly.
Worn belts can affect an engine s performance.
Check the air filter about every other oil change. Change out the rubber seal around the gas cap every three years. Deteriorated rubber seals can cause the release of vapors that react with the air to create ozone pollution. Although improvements have been made through enforcement of the Federal Clean Air Act, pollution still clogs our nation s skies. In the Fort Worth-Dallas area, the largest component of air pollution is ozone that forms in the lower atmosphere near ground level.