http://www.instructables.com/id/How-To-Make-A-Tesla-Turbine-Greenest-Turbine/
make one of those connected to your muffler exhaust some how and then connect a generator to it.. the kind you buy with bike headlights.. it spins so fast but low torque
make one of those connected to your muffler exhaust some how and then connect a generator to it.. the kind you buy with bike headlights.. it spins so fast but low torque
