While it is always wise to conserve natural resources, the recent price of gasoline has made even the most wasteful people think twice. Whatever your motivation, here are some gas saving tips from the pros at the National Institute for Automotive Service Excellence (ASE).

Monitor tires. Under inflated tires or poorly aligned wheels waste fuel by forcing the engine to work harder. (Let the tires cool down before checking the air pressure.) Out-of-line wheels, as evidenced by uneven tread wear, should be aligned by a professional.

Remove excess weight. Remove unnecessary items from the vehicle....