A dedicated evangelical hypermiler in California has just squeezed out more than 300 miles from his Chevrolet Bolt EV on a single charge.

Beating the EPA’s 238-mile range estimate was no easy task. Spread out over 100 freeway and 200 city miles, Glenn Williams achieved this astonishing figure in near perfect conditions, while 50 and 60-degree temperatures around Los Angeles negated the need for climate control.

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