Here's how tires can save $70 a year on gas
Fox News
Drivers can save a lot money simply by changing the type of tires they're using, according to a new report from Consumer Reports that tested rolling resistance.
Gary Gastelu is FoxNews.com's Automotive Editor covering the car industry and racing @foxnewsautos
Different tire designs and construction create different levels of rolling resistance, which can have a noticeable effect on economy.
From 4% to 11% of fuel is spent just overcoming this friction, according to the Department of Energy.
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