Section 468A.796 - [Effective 1/1/2025] School buses; repowering or retrofitting of engines; replacement(1) All school buses powered by diesel engines operated in Oregon must, by January 1, 2026, be:(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.Amended by 2024 Ch. 43,§ 4, eff. 1/1/2025.Amended by 2017 Ch. 742, § 12, eff. 7/1/2017.This section is set out more than once due to postponed, multiple, or conflicting amendments.