The document provides tips for saving money on gas, including: 1. Buy a more fuel efficient vehicle, as the author's hybrid gets 52 mpg and only costs $50 per month for gas. 2. Drive smoothly and slowly to improve fuel efficiency, as speeding, hard braking, and aggression wastes gas. 3. Reduce idling time, as an idling car pollutes more and wastes gas compared to one traveling at 60 mph. Turn off your engine when parked.