Assuming a car starts the day with a full charge, most drivers would be able to simply recharge at the end of the day.

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Not once have I been able to make it through a full day on a single charge.

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To put that figure in perspective, a Karma driver with a 40-mile commute who starts each day with a full battery charge will only need to visit the gas station about every 1, 000 miles and would use just 9 gallons of gasoline per month.

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