Why biofuel is necessary

See USDA study for more details. Engines manufactured in and later must meet the same emissions standards, whether running on biodiesel, diesel, or any alternative fuel. Selective catalytic reduction SCR technology in diesel vehicles, which reduces nitrogen oxide NO x emissions to near-zero levels, makes this possible.

The emissions from engines using diesel fuel are comparable to those from biodiesel blends. Using biodiesel reduces life cycle emissions because carbon dioxide released from biodiesel combustion is offset by the carbon dioxide absorbed from growing soybeans or other feedstocks used to produce the fuel. Air quality benefits of biodiesel are roughly commensurate with the amount of biodiesel in the blend. Learn more about biodiesel emissions.

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Why are people so dang obsessed with Mars? It established a Renewable Fuel Standard mandating the blending of 7. Of the latter goal, 21 billion gallons must come from cellulosic biofuel or advanced biofuels derived from feedstocks other than cornstarch.

To limit GHG emissions, the Act states that conventional renewable fuels corn starch ethanol are required to reduce life-cycle GHG emissions relative to life-cycle emissions from fossil fuels by at least 20 percent, biodiesel and advanced biofuels must reduce GHG emissions by 50 percent, and cellulosic biofuels must reduce emissions by 60 percent.

EISA also provides cash awards, grants, subsidies, and loans for research and development, biorefineries that displace more than 80 percent of fossil fuels used to operate the refinery, and commercial applications of cellulosic biofuel.

In addition to EISA, numerous other policies have encouraged the production and use of biofuels in the US in recent decades. Tax credits currently support advanced biofuels, including cellulosic and biodiesel. Condon, N. Klemick, and A.

Accessed Sept. Hertel, T. Golub, A. Jones, M. Plevin, and D. Fargione, J. Fischer, G. Hizsnyik, S. Prieler, M. Shah, and H. Biofuels and Food Security. Huang, H. Khanna, H. Onal, and X. Melillo, J. Reilly, D. Kickligher, A. Gurgel, T. Cronin, S. Photo credit to National Renewable Energy Laboratory.

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