; and (6) the economics of a cellulosic ethanol facility, including— (A) the cost of feedstock acquisition; (B) the typical facility size; (C) the relative economics of a corn ethanol facility compared to a cellulosic biofuel facility; and (D) the price per gallon of transportation fuel that contains cellulosic biofuel required for such fuel to be profitable. (c) Exclusions for purposes of study For purposes of the study described in subsection (b), the term cellulosic biofuel does not include any compressed natural gas, liquefied natural gas, or electricity used to power electric vehicles that is produced from biogas from— (1) a landfill; (2) a municipal wastewater treatment facility digester; (3) a separated municipal solid waste digester; or (4) an agricultural digester. 2. Prohibitions on new appropriations No additional funds are authorized to be appropriated to carry out this Act, and this Act shall be carried out using amounts otherwise made available for science and technology, including research and development activities, at the Environmental Protection Agency.