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Farming algae doesn't require much space or good cropland, so it avoids the fuel-for-food dilemma that has plagued first and second generation biofuels like corn, rapeseed and palm oil. Oil-content is high More on Global Warming
grist.orgPicture a liquid fuel that is derived from the same feedstocks as cellulosic ethanol (switchgrass, sugar cane, corn stover) but contains 50% more energetic content and is made via a process that uses 65% less energy. Unlike cellulosic ethanol, this...
Then, the farms that replace the forests spew out greenhouse gases as workers drive their tractors and spray pesticides made in factories running on coal, natural gas, or more biofuels. And when that biofuel finally arrives in your gas tank or the local power plant, it may actually produc...
If Chevron and other oil companies meant what they're belatedly saying about renewable energy, they would be offering incentives to gasoline dealers willing to sell E85 and biodiesel. Instead, Big Oil is using its dealer contracts to ensure that renewable fuels won't ever cut into its m...
Unfortunately, large-scale production of biofuel from corn, sugar cane, soybeans and other food crops could disrupt world food supplies and add to deforestation in tropical countries. And if the latter occurs, the carbon release from deforestation will outweigh the claimed biofuel...