Car Filter Green Tip

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By Ann Fickenwirth

Summary

A clean air filter can improve your car's gas mileage by as much as 10%.

Story Published: May 5, 2009 at 5:45 PM PDT

Story Updated: May 5, 2009 at 5:45 PM PDT

Don't neglect your car. A clean air filter can improve your car's gas mileage by as much as 10%.

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