Fuel efficiency is one of the motoring industry's favorite phrases. The more fuel efficient a car is the easier it is to market, especially when it's not limited to base versions.
Of late we've been seeing manufacturers getting themselves in hot water after it was revealed that the way they calculated the miles per gallon figures are a bit strange making for real word results that are a far cry from what the claims are. There are certain models out there that are light on fuel on purpose, sacrificing power for mileage, and there are accidentally frugal cars too.
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