Nutritional Value of Crude Glycerin for Nonruminants
نویسندگان
چکیده
In 2004, the United States consumed 140 billion gallons of gasoline and 40 billion gallons of diesel for on-road transportation (Annual Energy Outlook, 2007; http://www.eia.doe.gov/oifa/aeo/). In an effort to reduce dependence on petroleum-based fuel products and reduce their negative impact on the environment (Hill et al., 2006), production of biofuels from renewable energy sources has experienced explosive growth. Like the rapid expansion of ethanol production (projected 4.8 billion gallon production in 2006, Iowa Corn Promotion Board, 2007; http://www.iowacorn.org), biodiesel production has also rapidly expanded, albeit a smaller production volume, to its current production level of 250 million gallons (Figure 1; National Biodiesel Board, 2007; http://www.nbb.org).
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