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Renewable fuels are fuels produced from renewable resources. Examples include: biofuels (e.g. Vegetable oil used as fuel, ethanol, methanol from clean energy and carbon dioxide [1] or biomass, and biodiesel), Hydrogen fuel (when produced with renewable processes), and fully synthetic fuel (also known as electrofuel) produced from ambient carbon dioxide and water.
Extended and modified renewable energy tax incentives and defined electricity as a clean fuel. 2009 American Recovery and Reinvestment Act of 2009: Provided funding for an electric smart grid. Created and modified renewable energy tax cuts. Weatherized modest-income homes. Incentivized federal building energy efficiency.
The Renewable Fuel Standard (RFS) is an American federal program that requires transportation fuel sold in the United States to contain a minimum volume of renewable fuels. It originated with the Energy Policy Act of 2005 and was expanded and extended by the Energy Independence and Security Act of 2007 .
Total Renewable Fuels: The total volumetric amount of biofuels mandated, which grows from nearly 13 billion US gallons (49,000,000 m 3) in 2010 to 36 billion US gallons (140,000,000 m 3) in 2022. Most biofuels, including corn-starch ethanol, fall into this category and must meet a lifecycle GHG emission reduction of 20%.
Alternative fuels, also known as non-conventional and advanced fuels, [1] are fuels derived from sources other than petroleum. [2] Alternative fuels include gaseous fossil fuels like propane, natural gas, methane, and ammonia; biofuels like biodiesel, bioalcohol, and refuse-derived fuel; and other renewable fuels like hydrogen and electricity. [3]
Carbon-neutral fuel is fuel which produces no net-greenhouse gas emissions or carbon footprint. In practice, this usually means fuels that are made using carbon dioxide (CO 2 ) as a feedstock . Proposed carbon-neutral fuels can broadly be grouped into synthetic fuels , which are made by chemically hydrogenating carbon dioxide, and biofuels ...
As researchers discover new ways to engineer plants for biofuel production, the variety of biomasses continues to grow.
Renewable Fuel Volume Requirements for RFS2 [13] Year Biomass-Based Diesel Cellulosic Biofuel Total Advanced Biofuel Total Renewable Fuel billion US gallons million cubic meters billion US gallons million cubic meters billion US gallons million cubic meters billion US gallons million cubic meters 2009 0.5 1.9 — — 0.6 2.3 11.1 42 2010 0.65 2.5