A while back, [Stefan] bought a pedal-powered tractor for his son. It was a fun toy, but what it really needed was an electric motor. After a fair bit of tinkering, [Stefan] turned a pedal-powered … ...

Now, ZF wants to add another layer to this layout by enabling the generator part of the system to also power a pair of wheels. Dubbed the Electric Range Extender Plus (eRE+), it’s part of a new ...

Now, ZF wants to add another layer to this layout by enabling the generator part of the system to also power a pair of wheels. Dubbed the Electric Range Extender Plus (eRE+), it’s part of a new ...