| http://www.w3.org/ns/prov#value | - Checking spark plugs, oxygen sensors, air filters, hoses and belts are a few examples of maintenance that can save a vehicle owner up to 165 gallons of gas per year ??? for a potential savings of $625 a year (based on 12,000 miles of driving per year and $3.79 a gallon, nationwide average as of 5/19/2008).
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