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(詳細はBiodiesel is commercially available in most oilseed-producing states in the United States. As of 2005, it is more expensive than petroleum-diesel, though it is still commonly produced in relatively small quantities (in comparison to petroleum products and ethanol fuel). Due to increasing pollution control, climate change requirements, and tax incentives, the U.S. market is expected to grow to upwards of by 2010. The total U.S. production capacity for biodiesel reached in 2007, although poor market conditions held 2007 production to about , according to the National Biodiesel Board (NBB).〔 〕 In 2004, almost of commercially produced biodiesel were sold in the U.S., up from less than in 1998. ==Feedstock development== A pilot project in Unalaska/Dutch Harbor, Alaska, is producing fish oil biodiesel from the local fish processing industry in conjunction with the University of Alaska Fairbanks. It is rarely economic to ship the fish oil elsewhere and Alaskan communities are heavily dependent on diesel power generation. The Alaskan Energy Authority factories project of fish oil annually.〔 (【引用サイトリンク】title=Fish Oil & Biodiesel in the Park (brochure) )〕 A doctoral student at Utah State University has initiated a program called FreeWays to Fuel, which is growing oilseed crops in previously unused municipal land such as highway rights of way. The student, Dallas Hanks, estimates that in the U.S., of such unused land exists—land which generally serves no other purpose and currently costs tax dollars to maintain. Early yields from the crops are promising, and the program has spread to other land-grant universities across the nation. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Biodiesel in the United States」の詳細全文を読む スポンサード リンク
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