Sara Snow's 10 Going Green Tips for Drivers
The Oprah Winfrey Show
| April 22, 2009
Look Under the Hood
Checking your spark plugs, oxygen sensor, hoses and belts are a few examples of maintenance that can save you up to $165 in gas every year. If you have a clean air filter, you can also improve fuel efficiency by 10 percent.
Printed from Oprah.com on Sunday, March 9, 2014
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