; or (B) in which a significant proportion of the population is employed at electric generating stations that use fossil fuels as the predominant fuel supply. (5) Fossil fuel transition community The term fossil fuel transition community means a community— (A) that has been adversely affected economically by a recent reduction in fossil fuel mining, extraction, or production-related activity, as demonstrated by employment data, per capita income, or other indicators of economic distress; (B) that has historically relied on fossil fuel mining, extraction, or production-related activity for a substantial portion of its economy