Roding Roadster Electric Created by Siemens [Video]
The Roding Roadster, which originally featured a straight-six turbocharged engine sourced from BMW, which produced 320hp and 450Nm (332 lb-ft) of torque. The Siemens electric version does away with the car’s conventional power plant, replacing it with 250 kilos worth of batteries, powering the car’s two hub-mounted electric motors, with a maximum combined continuous output of 326hp (a bit more than the petrol-powered car) and 1000Nm (737 lb-ft), and as much as 2500Nm (1840 lb-ft) in peak.
Another interesting aspect about the electric Roding is the fact that the electric motors also help recharge the battery using (the now common) regenerative braking. The key difference here being their efficiency, as the Siemens motors are capable of a 70% braking energy return, significantly more than other systems currently in use, while also assuring the necessary braking power to stop the car safely.