The new Karma PHEV uses a novel petrol engine/electric motor combination from Quantum Technologies. Q-Drive is a series hybrid system meaning that the engine is mated with a generator to provide an electrical connection to the motors and also recharge the batteries and as such the electric motors are the only...
mechanical driving force connected to the wheels.
If that wasn't enough evidence of Fisker Automotive's dedication to providing green cars, as a factory option, the Karma can be fitted with a solar paneled roof for recharging the lithium ion batteries as well aiding in cabin climate control. The company estimates the average driver will only have to refill the fuel tank annually, provided they do not drive more than 50 miles (80 km) a day.