S.C. Code Ann. § 12-63-20
(A)
(1) A sales tax rebate must be applied to a vehicle purchase beginning after June 30, 2008, and ending before July 1, 2013, as follows:
(B)
(1) An incentive payment for an alternative fuel purchase is provided beginning after June 30, 2009, and ending before July 1, 2012, and shall be provided from the general fund, excluding revenue derived from the sales and use tax as follows:
(C)
(1) An incentive payment for production of electricity or methane gas fuel is provided beginning after June 30, 2008, and ending before July 1, 2018, and shall be provided from the general fund, excluding revenue derived from the sales and use tax as follows:
(E) Notwithstanding the incentive amounts provided pursuant to this section: