by the United States government, United States Code — Title 7, Chapter 35A, Subchapter I − General Provisions
“ Encouragement of production of crops of which United States is a net importer and for which price support programs are not in effect; authority to plant on set-aside acreage with no reduction in payment rate § 1435. Production of commodities for conversion into alcohol or hydrocarbons for use as motor fuels or other fuels ”
