Pimentel, David; Marklein, Alison; Toth, Megan A.; … - In: Energies 1 (2008) 2, pp. 41-78
The rapidly growing world population and rising consumption of biofuels are increasing demand for both food and biofuels. This exaggerates both food and fuel shortages. Using food crops such as corn grain to produce ethanol raises major nutritional and ethical concerns. Nearly 60% of humans in...