Why I'm long coal
August 05, 2010
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Electric cars. With the advent of Tesla motors and future cars like the Chevy volt, electricity demand could greatly increase in the coming years. Tesla chairman Elon Musk, says 'The overarching puprose of Tesla, and my reason for personally funding the company is to expedite the move from a mine-and-burn hydrocarbon economy towards a sustainable, solar electric company.' The truth of the matter, though, is that the electricity that charges electric cars is the same as what we use in our homes now, and that is nearly 50% generated by coal and another 21% generated by natural gas.
The 2007 makeup of electricity in America is shown below and the information from the DOE website. Making up 2.5% of electrical production, renewables have a long way to go before they are powering many electric cars. Using a smart grid can increase the percentage of energy from wind and nuclear power, but it will be a while before they significantly increase and the total wind potential probably won't be enough to power all electric cars ever.
