Designated on January 14, 2025, the Nebraska Clean Cities and Communities Coalition (NEC4) is an independent, U.S. Department of Energy–designated coalition committed to advancing clean transportation across Nebraska. Housed at the Nebraska Transportation Center at the University of Nebraska–Lincoln, the Nebraska Clean Cities and Communities Coalition (NEC4), in partnership with the U.S. Department of Energy (U.S. DOE), works with fleets, fuel providers, community leaders, and stakeholders to advance clean transportation.