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Klaus H Hemsath's Articles

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The Folly of Making Ethanol from Food Crops The article looks at the failure of corn ethanol to become a petroleum substitute. Low energy yields of corn ethanol have resulted in huge demands for grains. A combination of high world market prices for petroleum and US subsidies for ethanol has spawned a worldwide food crisis. Instead of ethanol and corn, we must find biomass with exceptionally high energy content and must develop new techniques to grow high energy biomass in arid areas. Key Energy Technologies for Booming World Economies World economies will falter without the secure supply of plentiful and affordable energies. Fossil fuels are emitting harmful greenhouse gases. Three forms of energy can supply all energy needs and can be converted from inexhaustible energy sources: electricity, liquid fuels, and process gases. We must develop a few key technologies now to gain access to these virtually limitless energies. Otherwise, world economies will be harmed forever. Petroleum, the Triple Threat to World Economies Global warming and climate change are caused by fossil fuel combustion. Accelerating energy consumption by China and India will increase average global temperatures 4 to 5 degrees Celsius in 2050 from those in 1900. Petroleum is the only transportation fuel. At an annual consumption of 50 billion barrels the reserves of 1 to 2.3 trillion barrels will run out in 20 to 50 years. Lack of transportation fuels will wreck economies.

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