Highly efficient e-car hits the road in Trier
Developers at the Trier University of Applied Sciences have radically reduced the vehicle weight, to enable longer driving distances with little battery energy.6 Jan 2020 Roland Freist
The proTron Evolution is a small car for up to four passengers, with a maximum speed of 100 km/h and a minimum range of 100 km. Including the battery, the vehicle weighs just 550 kg, mainly due to the use of natural fiber reinforced plastics (NFRP) for the load-bearing vehicle structures and trim components. The low energy consumption is supported by tires and wheel dimensions with optimized rolling resistance and an outer skin developed using computational fluid dynamics and in the wind tunnel. Industrial partner Carlex Glass Luxembourg S.A. has built the thinnest and lightest laminated glass windshield in the world for the proTron Evolution: It measures just 0.7 mm inside and 1.1 mm outside. With an optional second battery, the vehicle’s range can be increased if necessary.
Despite its low weight, the proTron Evolution meets all legal crash safety requirements. According to Prof. Hartmut Zoppke and his team in Trier, the car was designed with mass production in mind from the outset.
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