Audi (automobile) says your car should save energy when it's not running. It's as simple as that.
*Image courtesy of Motiongrapher.

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I am not so sure about the algorithm they used to calculate the consumption, but if we are to follow the counter, then we'd be buried alive in plastic waste in a few years! Not something to look forward to, ayt.
Go green and be good to Mother Nature! To read more about eco-waste management, recycling, going green, the works, click here. Please note that the site sells products. But they do have the FAQs there.
This counter has been aggregated from Reusablebags.com