Tier 0 Engine definition
Tier 0 Engine means an engine not subject to the requirements in title 13, CCR, section 2423; Title 40, Code of Federal Regulations (CFR), Part 89; or Title 40, CFR, Part 1039.
Tier 0 Engine means an engine not subject to the requirements in title 13, CCR, section 2423; Ttitle 40, Code of Federal Regulations (CFR), Part 89; or Ttitle 40, CFR, Part 1039.