Public lands used for installing, maintaining, and operating PEV infrastructure are exempt from leasehold excise taxes. Additionally, the state sales and use taxes do not apply to PEV and FCEV batteries or fuel cells; labor and services for installing, repairing, altering, or improving PEV and FCEV batteries or fuel cells and PEV and hydrogen fueling infrastructure; the sale of property used for PEV and hydrogen fueling infrastructure, and the sale of zero emission buses. (Reference Revised Code of Washington 82.29A.125, 82.08.816, and 82.12.816)