In an industry that fights for every last sale, claiming the title for being the most fuel-efficient automaker in the country has traditionally been a huge win. Even in times like these when gas prices have eased, shoppers often compare mileages as much as horsepower, and when gas prices soar — as they inevitably will — having that message at the ready gets more tire-kickers into dealerships.
In the United States, it's a federal report that typically determines which automaker may call itself the most fuel-efficient. Yet this year, the U.S. Environmental Protection Agency went out of its way to deny that accolade to the automaker with the highest average efficiency from vehicles it sold in the 2013 model year: Hyundai.
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