Expenditures from the Oklahoma Alternative Fuels Conversion Fund for vehicle conversions and/or fill station installations pursuant to Section 603 of this title shall not at any time be deemed to constitute a debt of the state, county, municipality or school district which owns such vehicle or fill station or a pledge of the faith and credit of the state or such county, municipality or school district, but such expenditures shall be reimbursed solely by a surcharge on the alternative fuel sold to the state or such county, municipality or school district pursuant to Section 605 of this title.
Okla. Stat. tit. 74, § 130.6