Get rich quick: take a joy ride.

Turning Bumpy Roads into an Electrifying Product: Scientific American:

"One carefree summer day in California, a few college students went for a joy ride. It was the perfect day to don the shades, roll down the windows, and crank up the tunes.

But then someone noticed all the bumps in the road. These were engineering students from the Massachusetts Institute of Technology, and the group got to thinking: Isn't there energy in that?

From the battlefield of ideas to the proving ground
MIT's technology licensing office, for example, researched where the device could fit in the market. They found the biggest bang in the biggest vehicles: heavy-duty trucks and military vehicles.