Karma reveals E-Flex extended-range EV platform

Karma on Monday unveiled its E-Flex extended-range EV platform, which the Californian company plans to sell to other firms. The E-Flex underpins Karma's Revero GT sedan but is modular in nature so can underpin a wide variety of vehicles ranging from commercial vans to supercars. In the Revero GT, the platform houses a 28-kilowatt-hour lithium-ion...