The following restrictions apply for using emission credits:
If the maximum power of the credit-generating engine is * * * | And it was certified to the following standards identified in appendix I of this part * * * | Then you may use those banked credits for the following Tier 4 engines * * * |
(i) kW [LESS THAN] 19 | Tier 2 | kW [LESS THAN] 19. |
(ii) 19 [LESS THAN EQUAL TO] kW [LESS THAN] 37 | Tier 2 | kW [GREATER THAN EQUAL TO] 19. |
(iii) 37 [LESS THAN EQUAL TO] kW [LESS THAN EQUAL TO] 560 | Tier 3 | kW [GREATER THAN EQUAL TO] 19. |
(iv) kW [GREATER THAN] 560 | Tier 2 | kW [GREATER THAN EQUAL TO] 19. |
NOX emission credits = (0.8) * (NOX + NMHC emission credits).
40 C.F.R. §1039.740