Sono Compacto en orden cronológico

The compact car Sion is an electric vehicle with solar modules incorporated into the bodywork that use the sun to generate a range of up to 30 kilometers a day – self-charged and in addition to its basic range of 250 km (155 mi) according to WLTP standard.

The Sion has 330 mono crystalline PV cells from SunPower (3.65 W each) on the hood, doors, rear and transparent roof to help top up the Li-ion batteries while the vehicle is on the move, or sat in an open air car park or driveway.

The five-door family car's 80 kW three-phase asynchronous electric motor with single speed transmission is said to be good for a top speed of 140 km/h (87 mph).