Avoid excessive outdoor activity
Conserve electricity and set A/C to highest comfortable level
Limit your daytime driving
Limit vehicle idling
Refuel vehicles after dusk
Don't "top off" your gas tank
Avoid congested periods
Use public transit or car pool
Bike or walk for short trips
Use newest/best maintained car
Combine trips and share rides
Postpone using gasoline mowers
Barbecue without starter fluid
Keep cars and boats tuned up
Use water-based paints
Use environmentally safe cleaning products