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On September 14-15, 2016, the U.S. Department of Energy (DOE) hosted a two-day workshop with lead experts on aviation biofuels exploring opportunities to increase competitiveness of alternative jet fuels. The Alternative Aviation Fuel Workshop was organized in four parallel breakout sessions covering the economic and technical competitiveness, fuel conversion and scale-up, environmental sustainability and life-cycle benefits, and feedstock and product supply chains of lignocellulosic biomass...

On August 25, 2016, researchers at the University of Michigan, led by research professor John M. DeCicco, Ph.D., published "Carbon balance effects of U.S. biofuel production and use," a study examining the impact of biofuel production on carbon dioxide (CO2) emissions. The study, funded in part by the American Petroleum Institute, examined USDA crop-production data and determined that the increasing use of biofuels has resulted in a net increase of CO2 emissions, with only 37...

On March 7, 2016, the U.S. Environmental Protection Agency (EPA) announced the update of three greenhouse gas (GHG) inventory guidance documents. The documents have new emission factors and guidance on data estimation methods, with specific sections on waste and biomass derived fuels. The updated guidance documents are needed by organizations that must report GHG emissions to EPA and cover direct emissions from stationary combustion sources, direct emissions from mobile combustion sources, and...

On March 3, 2014, EPA released its final rule on "Control of Air Pollution from Motor Vehicles: Tier 3 Motor Vehicle Emission and Fuel Standards" (the "Tier 3 rule"). A copy of the 1069-page Tier 3 rule is available online. A copy of EPA's five-page fact sheet on "EPA Sets Tier 3 Motor Vehicle Emission and Fuel Standards" is available online. The Tier 3 rule is designed to reduce air pollution from passenger cars and...