The following terms, whenever used or referred to in this article, shall have the following meanings unless a different meaning clearly appears from the context: (a) "Alternative fuels" include compressed natural gas, liquified natural gas, liquified petroleum gas, methanol, ethanol, fuel mixtures containing eighty-five percent or more by volume of methanol, ethanol and other alcohols […]
(a) After September 1, 1993, a political subdivision may purchase or lease alternative fuel vehicles for use by any agency of the political subdivision as follows: (1) Any agency of a political subdivision may acquire or be provided with equipment or refueling facilities necessary to operate alternative fuel vehicles by any of the following methods:
Except as provided by section three-d, article thirteen-d, chapter eleven of this code, a political subdivision shall not enter into any program providing subsidies or incentive payments for the production of compressed natural gas, liquified natural gas, liquified petroleum gas, methanol, ethanol or coal-derived liquid fuels.
