; and (B) 50 percent shall be distributed to the State in which the production occurred. (e) Adjustment for inflation The Secretary shall, by regulation at least once every 4 years, adjust each fee established by subsection (c) to reflect any change in the Consumer Price Index (all items, United States city average) as prepared by the Department of Labor. 30. Economic revitalization for fossil fuel-dependent communities (a) Purpose The purpose of this section is to promote economic revitalization, diversification, and development in communities— (1) that depend on fossil fuel mining, extraction, or refining for a significant amount of economic opportunities; or (2) in which a significant proportion of the population is employed at electric generating stations that use fossil fuels as the predominant fuel supply. (b) Definitions In this section: (1) Advisory committee The term Advisory Committee means the Just Transition Advisory Committee established by subsection (g)(1). (2) Displaced worker The term displaced worker means an individual who, due to efforts to reduce net emissions from public land or as a result of a downturn in fossil fuel mining, extraction, or production, has suffered a reduction in employment or economic opportunities. (3) Fossil fuel The term fossil fuel means coal, petroleum, natural gas, tar sands, oil shale, or any derivative of coal, petroleum, or natural gas. (4) Fossil fuel-dependent community The term fossil fuel-dependent community means a community— (A) that depends on fossil fuel mining, and extraction, or refining for a significant amount of economic opportunities