“ VIOLATION.— It shall be unlawful for any person to violate any provision under this section or any regulations issued pursuant to subsection (d) (other than by making a clerical error) . (2) PENALTIES.— Any person who commits a violation described in paragraph (1) shall be liable to the United States Government for a civil penalty of not more than $15,000 for each violation. The Secretary shall have the authority to assess and compromise such penalties, and shall have the authority to require from any entity the records and inspections necessary to enforce this program. ”

“ NUMBER OF VOUCHERS PER PERSON AND PER TRADE-IN VEHICLE.— Not more than 1 voucher may be issued for a single person and not more than 1 voucher may be issued for the joint registered owners of a single eligible trade-in vehicle. (C) NO COMBINATION OF VOUCHERS.— Only 1 voucher issued under the Program may be applied toward the purchase or qualifying lease of a single new fuel efficient automobile. ”

“ Definitions.— As used in this section— (1) the term “passenger automobile” means a passenger automobile, as defined in section 32901 (a) (18) of title 49, United States Code, that has a combined fuel economy value of at least 22 miles per gallon; (2) the term “category 1 truck” means a nonpassenger automobile, as defined in section 32901 (a) (17) of title 49, United States Code, that has a combined fuel economy value of at least 18 miles per gallon, except that such term does not include a category 2 truck ”