The Renewable Fuel Standard (RFS) and state-level Renewable Portfolio Standards (RPS) have the potential to interact in complex ways because they will both rely on biomass for cellulosic biofuels and bio-electricity. This interaction could be synergistic or competitive; while the implementation...

US state carbon intensities are highly heterogeneous, and few studies have been aimed at identifying the causes of these differences among states. Determining the factors that enable certain states to develop their economies on a less carbon-intensive trajectory can give us insight into how...

A summary of public policy support for renewable energy in electricity generation -- Problems afflicting renewable energy in electricity generation -- Central rationales for policy support for renewables : a review -- Some implications of the outlook for the natural gas market