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Drivers who find that the fuel efficiency in their new car doesn’t match up to the claims made by the manufacturer, now know it is not their driving to blame. A new report reveals that carmakers routinely manipulate official UN-backed miles/gallons tests, with a series of tricks including stripping the car down to weigh as little as possible, overinflating the tyres and testing in the thin air at high-altitude tracks.

    Drivers who find that the fuel efficiency in their new car doesn’t match up to the claims made by the manufacturer, now know it is not their driving to blame. A new report reveals that carmakers routinely manipulate official UN-backed miles/gallons tests, with a series of tricks including stripping the car down to weigh as little as possible, overinflating the tyres and testing in the thin air at high-altitude tracks.

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