electric cars

The oil prices are flickering all the time, sometime going too high and sometime dipping too low, all this has also been affecting my share performances. I have many oil company stocks and their prices flickering gives me a heartbreak sometimes. So anyways lets all shift to electric cars and also buy the shares of electricity companies. i vivite a website couple a days  back it was BYD Electric Cars website. The company, BYD Electric has developed an electric car it seems. Sounds to me like a great noble idea. I think if we use an elecric car it would be of a great use to the environment and also easy on our pockets. Electric cars are the thing of tomorrow. Imagine a world of no fuel problems and everyhthing running on solar power, i mean the electric power generated by suns energy.. sounds like a geat idea to me. but what all you people out there think of it? do we neeed electric cars or not? and if not then why