As the United States begins to move towards putting an economic value on reducing greenhouse gas (GHG) emissions, the need for improved accounting standards becomes acute. Lifecycle analysis (LCA), which involves the systematic collection and interpretation of material flow in all relevant...

A key argument in the societal debate against polices to support biofuels is that production of these alternative fuels may in fact consume more energy than they generate and emit more greenhouse gases than they sequester (Fargione et al., 2008; Searchinger et al., 2008; Rajagopal and Zilberman, 2007;...

The use of fuel ethanol in the United States has increased from fewer than 200 million gallons (gal) at the beginning of the US fuel ethanol program in 1980 to 6.5 billion gal in 2007. The recent federally adopted Energy Independence and Security Act of 2007 established the goal of 36 billion...

Agriculture may help mitigate climate change risks by reducing net greenhouse gas (GHG) emissions (McCarl and Schneider, 2000). One way of doing this is that agriculture may provide substitute products that can replace fossil fuel intensive products or production processes. One such possibility...