The latest entry into the range-extended sporty car market is the French-built Exagon Furtive-eGT, which is slated to go into limited production in 2012. Powered by lithium-ion batteries, the Furtive-eGT has an electric-only range of 160 to 250 miles, while an optional gas engine can extend that range to 500 miles. Exagon says the car is capable of 0 to 62 mph acceleration of 3.5 seconds and that the car has a top speed of 178 mph. The company hopes to build about 100 cars a year when it goes into full production. Unlike most EVs that use the motors to directly drive the wheels, the Furtive-eGT uses a 3-speed paddle-shift gearbox attached to a mechanical auto-locking differential.