Guardian: Mitt Romney hit the campaign trail in Ohio and Virginia this week accusing Barack Obama of waging war on coal. But the real enemy of coal, it turns out, is free enterprise – and strong competition from another home-grown source of American energy: natural gas.
Falling prices for natural gas made it far more economical to burn natural gas instead of coal in the country’s power plants over the last few years.
Environmental regulations – a favourite target of Romney – had little to do with the…

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