Biodiesel Production Getting More Efficient, Using Less Fossil Fuel
August 1st, 2011 | by Tina Casey
One knock against biodiesel has been the relatively large amount of fossil fuel required to produce it. That's aside from the contentious issue of using arable land to grow crops for fuel, especially food crops. However, a new study of the energy lifecycle of soybean biodiesel reveals a significant improvement in efficiency over the past 20 years or so.
