490.503—Credit allocation.
(a)
Based on annual credit activity report information, as described in section 490.507 of this part, DOE shall allocate one credit for each alternative fueled vehicle a fleet or covered person acquires that exceeds the number of alternative fueled vehicles that fleet or person is required to acquire in a model year when acquisition requirements apply.
(b)
If an alternative fueled vehicle is acquired by a fleet or covered person in a model year before the first model year that fleet or person is required to acquire alternative fueled vehicles by this part, as reported in the annual credit activity report, DOE shall allocate one credit per alternative fueled vehicle for each year the alternative fueled vehicle is acquired before the model year when acquisition requirements apply.
(c)
DOE shall allocate credits to fleets and covered persons under paragraph (b) of this section only for alternative fueled vehicles acquired on or after October 24, 1992.