The world’s oil reserves will be depleted at some point, privat transport is growing and with it the effects for our environment such as harmful exhaust fumes. Scientists are conducting intensive research into propulsion concepts that work without fossil fuels such as oil and coal. Using an electric motor, students learn what it means to generate energy for a vehicle, which components in the vehicle have to be supplied with electricity in addition to the engine and how much of the supplied energy ends up on road.