The Sion is a compact car wrapped entirely in solar panels. Its maker claims solar power alone is enough to meet most daily driving needs.
By Sissi Cao
A compact, affordable electric car powered in part by solar energy is about to hit the assembly line, marking the maturity of a clean energy approach previously thought to be infeasible for automobiles. A final design of the vehicle, called the Sion, made by German EV startup Sono Motors, was unveiled today (July 25) at a company event in Munich. Production and delivery are expected to start in the second half of next year in Europe, with the U.S. and other international markets to follow.
The idea of powering a passenger car with solar isn’t new. But unsuccessful attempts, including a prototype built by the General Motors in the 1950s, had earlier engineers convinced that solar isn’t a suitable energy source for everyday driving needs, due to limitations in energy storage, conversion and (obviously) weather.
Sono proposes to solve this challenge with a hybrid approach. On one hand, to maximize energy output, the Sion is wrapped entirely in solar panels (except for windows). The car’s exterior is covered with more than 450 “solar half-cells” that, in normal weather, can provide up to 70 miles of driving range per week, according to a press release.
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