If you want to understand why America burns so much coal, spend a few minutes over at the lobbying disclosure website run by the Office of the Clerk of the U.S. House of Representatives.
lobbying

Big Coal Flexes Lobbying Muscle in '08
Video: House Agriculture Cmte. Press Conference on the Renewable Fuels Standard
Rep. Peterson leads a press conference of lawmakers and industry who support the Renewable Fuels Standard provisions in current energy legislation.
The Paradox of Plenty: Marion Nestle’s “Food Politicsâ€
In Food Politics: How the Food Industry Influences Nutrition and Health (2002), Marion Nestle, a leading nutritionist and then-chair of the NYU department of nutrition, food science, and public health, shows that calling ketchup a vegetable is just the tip of the regulatory iceberg. The book is a thorough and often shocking review of the historically cozy relationship between the food industry and the US government, and how that relationship has affected the food regulations (and deregulation) that determine the quality and the marketing of the food we eat.