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How much do roof racks hurt fuel economy? | Consumer Reports

Even factory crossbars on your Toyota RAV4 Prime can hurt fuel economy a little. CR experts explain when it’s worth taking them off. https://www.consumerreports.org/cars/fuel-economy-efficiency/10-tips-to-get-the-most-out-of-a-tank-of-gas-a2642110189/?EXTKEY=YSOCIAL_YT