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Conserve electricity and set your air conditioner at a higher temperature.

Choose a cleaner commute—share a ride to work or use public transportation. Bicycle or walk to errands when possible.

Refuel cars and trucks after dusk.

Combine errands and reduce trips.

Limit engine idling.

Use household, workshop,and garden chemicals in ways that keep evaporation to a minimum, or try to delay using them when poor air quality is forecast.

Be sure your tires are properly inflated.