People expect the first hybrid car to magically replace the Ozone Layer and refreeze the melted ice caps. It takes several years to work out a good system. The current process of creating hybrid cars does create allot of pollution however each year they get better at it. The Zenn (
http://www.futurecars.com/reviews/zenn-car.htm l ) Is an example of a practical fully electric car. We have done allot of damage to our environment and we are working hard to repair it but we have done a considerable job of cutting down on pollution from cars.