To cut emissions, just boost your fuel economy.

Bradlee Fons of Pewaukee drives a 2000 Honda Insight hybrid sedan. With eco-friendly driving habits, he regularly gets 80 miles per gallon. It took Bradlee Fons a year to perfect a more-efficient driving style after he bought his hybrid car, a Honda Insight. His teacher: the real-time indicator installed on the car's dashboard that tracks miles per gallon.