The National Geographic Magazine, Volume 212, Issues 4-6National Geographic Society., 2006 - Geography |
From inside the book
Results 1-3 of 46
Page 54
... less energy than distilling corn into ethanol ; the fuel's main drawbacks are low yield and high cost . Ger- many is the world's leading producer , relying on canola oil ; U.S. biodiesel comes from soybeans ( right ) . GERMANY ...
... less energy than distilling corn into ethanol ; the fuel's main drawbacks are low yield and high cost . Ger- many is the world's leading producer , relying on canola oil ; U.S. biodiesel comes from soybeans ( right ) . GERMANY ...
Page 57
... less energy ( tractors , fertilizers , etc. ) and can grow on marginal land ENERGY BALANCE Fossil - fuel energy used to make the fuel ( input ) compared with the energy in the fuel ( output ) Cellulosic ethanol Between 2 and 36 ...
... less energy ( tractors , fertilizers , etc. ) and can grow on marginal land ENERGY BALANCE Fossil - fuel energy used to make the fuel ( input ) compared with the energy in the fuel ( output ) Cellulosic ethanol Between 2 and 36 ...
Page 138
... LESS WE UNDERSTAND IT . " WADE DAVIS , ANTHROPOLOGIST flourishing , much less to bankroll the nation's state fish and wildlife agencies , which depend on hunting and fishing revenues for most of their funds . " It's something we're very ...
... LESS WE UNDERSTAND IT . " WADE DAVIS , ANTHROPOLOGIST flourishing , much less to bankroll the nation's state fish and wildlife agencies , which depend on hunting and fishing revenues for most of their funds . " It's something we're very ...
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