(a) In this section, "emissions reduction credit" means an emissions reduction certified by the commission that is:
(1) created by eliminating future emissions, quantified during or before the period in which emissions reductions are made;
(2) expressed in tons or partial tons per year; and
(3) banked by the commission in accordance with commission rules relating to emissions banking.
(b) To the extent allowable under federal law, the commission by rule shall authorize:
(1) the assignment of a percentage of emissions reduction credit to a private, commercial, or business entity that purchases, for accelerated retirement, a qualified vehicle under a low-income vehicle repair assistance, retrofit, and accelerated vehicle retirement program;
(2) the transferability of an assigned emissions reduction credit;
(3) the use of emissions reduction credit by the holder of the credit against any state or federal emissions requirements applicable to a facility owned or operated by the holder of the credit;
(4) the assignment of a percentage of emissions reduction credit, on the retirement of a fleet vehicle, a vehicle owned or leased by a governmental entity, or a commercial vehicle, to the owner or lessor of the vehicle; and
(5) other actions relating to the disposition or use of emissions reduction credit that the commission determines will benefit the implementation of low-income vehicle repair assistance, retrofit, and accelerated vehicle retirement programs established under Section 382.209.