"The bottom line is that the energy balance of biodiesel has definitely improved in the last decade," says University of Idaho Department Head of Biological and Agricultural Engineering Jon Van Gerpen. "The increase in soybean yields and a decrease in herbicide use greatly contributed to the increased energy balance. Meanwhile, energy used for crushing soybeans is significantly lower than what was reported in the NREL study."
The results of the study were released Wednesday at the National Biodiesel Conference and Expo in
"As demand for biodiesel climbs, having enough feedstock available at a competitive price will continue to be an important issue," says Ed Hegland, NBB chairman. "Soybean oil will continue to play an important role, but we are also excited about the prospect of algae and other feedstocks on the horizon."