energy / energy

As we all know, the car must to produce exhaust gas if it want to go. As long as the car start, the exhaust pipe will constantly exhaust waste gas. Can we make use of this waste gas to do something ? Of course, we can make it through the wind generator to produce electricity.

We can make a small wind generator into the exhaust pipe of car . let the exhausted air through the wind generator to produce generation. Although the small wind generator can only produce not too much power, the cars of the earth can make the inestimable power, that is very very surprising.