Bio-energy systems based on dedicated crops depend on efficient and economic feedstock production as a pre-requisite for sustainable development. In this study, 15 annual and perennial species suited for temperate or tropical areas were assessed in terms of energy and financial balance: oil and...

Studies conducted since the late 1970s have estimated the net energy value (NEV) of corn ethanol. However, variations in data and assumptions used among the studies have resulted in a wide range of estimates. This study identifies the factors causing this wide variation and develops a more...

Studies conducted since the late 1970's have estimated the net energy value of corn ethanol. However, variations in data and assumptions used among the studies have resulted in a wide range of estimates. This study identifies the factors causing this wide variation and develops a more consistent...