Porsche Developing Electric Vehicles; 3 Electric Boxsters Slated for Testing
Green Car Congress
JULY 26, 2010
The work is in conjunction with the ongoing development of hybrid concepts already in regular production. mpg US) and 70 grams CO 2 per kilometer in its most economical operating mode. The flywheel power storage system is recharged whenever the driver applies the brakes. mpg US), with CO 2 emissions of 193 g/km.
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