Yesterday, GM showed off their electric car, the Chevrolet Volt to the grand public. Surprisingly, it is a good-looking car powered be lithium-ion batteries. After showing it off, GM announced that they will have the car in showrooms by the end of 2010. Now this kind of news is usually wonderful news. General Motors is helping us get rid of our oil addiction and at the same time cleaning up the environment with the new Chevy Volt. But then, I realized that this is GM…