Texas Transportation Code - TRANSP § 457.202. Alternative Fuel Use Program:  Exceptions

(1) the authority's vehicles will be operating primarily in an area in which neither the authority nor a supplier has or can reasonably be expected to establish a central refueling station for compressed natural gas or other alternative fuel;  or

(2) the authority is unable to acquire or be provided equipment or refueling facilities necessary to operate vehicles using compressed natural gas or other alternative fuel at a project cost that is reasonably expected to result in no greater net cost than the continued use of traditional gasoline or diesel fuel measured over the expected useful life of the equipment or facilities supplied.