1. Maintain your car to prevent and/or
repair fluid leaks

2. Recycle motor oil, antifreeze, tires,
and batteries

3. Use commercial carwashes that treat
and/or recycle the wash water

4. If you wash your car yourself, wash it on
the lawn or direct the wash water so that
it can seep into the soil or evaporate.
Use small amounts of low or non-phosphate detergent.