Modec, based in Coventry...
Modec, based in Coventry, West Midlands, says supermarket chain Tesco has already bought a fleet of the battery-powered machines. The zero-emissions vehicles can run for 100 miles before requiring a recharge. They have a top speed of 50mph and are exempt from road tax, as well as the London congestion charge. Prices start at ÷£25,000.