 Early adopters, such as TNT N.V. and Sainsbury's, wanted an electric vehicle which better matched UK driving-licence restrictions.In the UK, a person with a valid license can drive a light commercial vehicle with a GVW of up to ; a vehicle between 3,500 and requires a C1 commercial-vehicle license.Smith introduced the Newton 7.5-ton truck, which housed electric drivetrain technology in a chassis by Avia in the Czech Republic, in 2006.