1. Carpool. 2. Walk or ride a bicycle. 3. Shop by phone or mail. 4. Ride public transit. 5. Telecommute.Driving smart keeps pollution at a minimum. *6. Accelerate gradually. 7. Use cruise control on the highway. 8. Obey the speed limit. 9. Combine your errands into one trip. 10. Keep your car tuned and support the smog check program. 11. Don't top off at the gas pumps. 12. Replace your car's air filter. 13. Keep your tires properly inflated. 14. What about smoking vehicles? Contact the EPA's Office of Air Quality