Lauren Fix, the car coach, with Howdini.com explains how to save $100 per month in fuel. - tighten your gas cap - check tire pressure - unload your trunk - stop idling - change air filter every 6 months - check spark plugs - change oil using synthetic oil
- tighten your gas cap
- check tire pressure
- unload your trunk
- stop idling
- change air filter every 6 months
- check spark plugs
- change oil using synthetic oil