I happened to come upon this piece of information from D.R. Barton, a financial columnist, on the cost components of gasoline. It makes interesting reading.  ---------------------------------------- What is the breakdown in the cost of a gallon of gasoline? Based on several sources, here are the best ranges I could find: • Tax per gallon ...

Virginia Tech researchers claim the creation of ethanol and biofuels consume the most water of any source of energy. The most water-efficient energy sources are natural gas and synthetic fuels from coal gasification.   http://www.newswise.com/articles/view/539917/?sc=swtr

According to a  study by the American Council for an Energy Efficient Economy (ACEEE), it takes the U.S. less than half the energy to produce a dollar of economic output now that it did in 1970. Also ccording ACEEE, every extra kilowatt-hour demanded by Internet and communications technologies produces a ten-fold energy savings in the ...