There is hereby created in the state treasury a dedicated fund known as the "Regional Air Quality Trust Fund" which shall be referred to as the regional fund. Moneys in the regional fund may come from grants, gifts, donations, use fees or such other sources as may be authorized by the legislature. Moneys in the fund shall be used exclusively for the purpose of fulfillment of the statutorily-required duties of a regional air quality council. Moneys in the fund may only be expended as authorized by a resolution duly adopted by a majority of a council.