(a) Repowered with an engine meeting 2007 fine particulate matter federal exhaust emission standards for diesel heavy-duty engines as set forth in 40 C.F.R. 86.007-11;
(b) Retrofitted:
(A) If retrofitted prior to August 15, 2017, with best available exhaust control technology; or
(B) If retrofitted on or after August 15, 2017, with exhaust controls meeting 2007 fine particulate matter federal exhaust emission standards for diesel heavy-duty engines as set forth in 40 C.F.R. 86.007-11; or
(c) Replaced with school buses manufactured on or after January 1, 2007.
(2) A school bus replaced under subsection (1)(c) of this section may not be used for transportation of any type. [2009 c.631 §2; 2017 c.742 §12]