; or (ii) a station described in paragraph (1)(B). (E) The costs of complying with— (i) the requirements of subsection (g); and (ii) any reporting requirements under subsection (h). (3) Project locations A project carried out with a grant provided under the program may be carried out on any public road or in other publicly accessible locations, such as parking facilities at public buildings, public schools, and public parks, or in publicly accessible parking facilities owned or managed by a private entity. (4) Operation (A) In general Except as provided in subparagraph (B), an eligible entity that receives a grant under the program for a use described in subparagraph (A) or (B) of paragraph (1) may determine whether each applicable hydrogen fueling station shall— (i) allow only private access; or (ii) be open to the public. (B) Public hydrogen fueling station developers and operators An eligible entity described in subsection (b)(2)(E) that receives a grant under the program to be used only for the use described in paragraph (1)(B) shall make each applicable hydrogen fueling station described in that paragraph open to the public. (5) Capital costs of vehicles With respect to the capital costs described in paragraph (2)(A)(i), the amount of grant funds used for those capital costs shall not exceed, with respect to each heavy-duty fuel cell vehicle purchased by the eligible entity and used for the applicable project, the lesser of— (A) an amount equal to the difference between— (i) the cost of the heavy-duty fuel cell vehicle; and (ii) the product obtained by multiplying— (I) the cost of a comparable gasoline- or diesel-fueled vehicle; and (II) 0.5