On a sunny, at times windy weekend in downtown Houston, TX, 131 vehicles competed in the Shell Eco-marathon Americas 2013, racing round and round Discovery Green for two full days. All told, they used like a gallon of gasoline.
A recent paper by Wally Tyner published by Purdue University shows that, at least for Corn Belt states (like Indiana), corn stover could be a better cellulosic ethanol source than switchgrass. The paper considers the cost and prospective profits of whether a farmer could decide to plant and sell corn and corn stover, or plant switchgrass. The answer is clear to the author: corn is more productive, the soil quality is low, in which case switchgrass becomes the winner. There is also a consideratio
Even with the inexorable move toward electrically driven cars in the next couple of decades, the internal combustion engine will remain with us for some time to come either as the primary powertrain on many vehicles or at least as an auxiliary power unit for series hybrid vehicles. Given that reality, researchers are working feverishly on ways to improve the efficiency of ICEs as much as possible. During the recent SAE World Congress speakers from almost every carmaker and research facility talk
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