<http://schema.org/description>
"Switching the world&amp;#039;s energy consumption to biofuel makes good sense in some aspects, but the biofuels most likely to be produced on a large scale carry significant drawbacks. What are some of the economic disadvantages of biofuel?"^^<http://www.w3.org/2001/XMLSchema#string>
<http://auto.howstuffworks.com/fuel-efficiency/biofuels/economic-drawbacks-of-using-biofuels3.htm>