That roof rack you absolutely had to have may come in handy now and again, but a new study from Berkeley Lab says that it’s also costing you quite a bit of money in lost fuel economy. The cumulative losses are for the first time being measured on a national scale; on passenger vehicles it...
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Study: That Roof Rack Is Killing Your Fuel Economy appeared first on
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Study: That Roof Rack Is Killing Your Fuel Economy
