Wash. Rev. Code § 36.57.140
(1) A county public transportation authority as authorized under this chapter and an unincorporated transportation benefit area as authorized in RCW 36.57.100 may:
(c)
(ii) For the purposes of (c)(i) of this subsection, county public transportation authorities and unincorporated transportation benefit areas may own, operate, or own and operate pipelines or dispensing facilities for green electrolytic hydrogen or renewable hydrogen for end use as a transportation fuel if all such pipelines and dispensing facilities are:
(4) The definitions in this subsection apply throughout this section unless the context clearly requires otherwise.
[ 2023 c 234 s 4.]