Green Buses for Every Community Act This bill requires at least 10% of funding made available in a fiscal year for the low or no emissions competitive grant program for buses and bus facilities to be distributed to projects serving predominantly low-income communities. The bill defines a low-income community as any population census tract if (1) the poverty rate for such tract is at least 20%; or (2) the tract is not located within a metropolitan area and the median family income for such tract does not exceed 80% of statewide median family income, or the tract is located within a metropolitan area and the median family income does not exceed the 80% or the metropolitan area median family income.