1. When purchasing a new car, consider one that is the most efficient, lowest-polluting vehicle or even a zero-emission electric car. 2. Walk or ride a bike. when possible.. 3. Take public transportation. More vehicles mean more air pollution. 4. Organize and condense errands into one trip. 5. When driving, accelerate gradually and obey the speed limit. 6. Drive less, particularly on days with unhealthful air quality. 7. Maintain your vehicle and keep the tires properly inflated. 8. Contact the Ventura County Transportation Commission at goventura.org for ridesharing services. 10. Limit idling.