determine the practicability of using methane vehicles in the performance of certain or all of the functions of their agencies based in counties and standard metropolitan statistical areas in which demonstrations under section 3806 of this title are being conducted; and
arrange for appropriate use of methane-fueled vehicles at the earliest practicable date.
(Pub. L. 96–512, § 8, Dec. 12, 1980, 94 Stat. 2832.)