The Chevrolet Volt has been on sale in all 50 states for around a year, but General Motors' engineers are still perfecting the extended range electric vehicle. Using driving data from existing owners, they have improved the fuel efficiency of the 2013 Chevrolet Volt, according to GM.
Engineers tweaked the 2013 Chevrolet Volt's battery cell chemistry to increase the battery pack's capacity from 16 kWh to 16.5 kWh. They also reduced its energy storage buffer, and the changes increase the new model's electric range from 35 miles to 38 miles. The EPA fuel economy also gets … Read more