(1) Any state agency, board, commission, department or division that is authorized to purchase or otherwise acquire fuel for the systems providing heating, air conditioning, lighting and the supply of domestic hot water for public buildings and grounds may enter into long-term contracts for the purchase of alternative fuels. Such contracts may be for terms not longer than 20 years.
(2) As used in this section:
(a) “Alternative fuels” includes all fuels other than petroleum, natural gas, coal and products derived therefrom. The term includes, but is not limited to, solid wastes or fuels derived from solid wastes.
(b) “Public buildings and grounds” has the meaning given that term in ORS 276.210.