GoinGreen, a UK retailer of electric cars, has revealed the Reva NXG concept car in London.

GoinGreen has been marketing the Reva G-Wiz electric car in London since last May and over 200 of the zero-emission cars have been sold.

The new NXG is a collaborative effort between Reva Electric Car Company designer Dilip Chhabria of DC Design and Simputer developer Encore Software. It is a two-seat roadster with a range of 125 miles per six-hour charge - and a top speed of 75mph.

The car is powered by a 37kw AC induction motor that drives the front wheels and uses sodium nickel chloride (Zebra) batteries. The 4-wheel independent suspension includes an integrated regenerative and hydraulic braking system.

The concept car is fitted with what is believed to be the world’s first ‘wireless tablet’ - an embedded appliance that integrates into a high-resolution single touch-screen display system featuring all vehicle dashboard functions as well as a GPS navigation system, a GPRS modem for internet and email access and an MP3 music player.

Keith Johnston, managing director of GoinGreen says, "The Reva G-Wiz has become the world’s best-selling electric car by offering an unbeatable combination of low cost and emission-free transport. The Reva NXG concept car, with its stylish design and superior performance, gives us an exciting glimpse into the future of city mobility".