Events and Conferences GSCCC hosts and supports multiple events and conferences throughout the year. Upcoming Events See what's upcoming in New Hampshire for electric and alternative fuel vehicle events! View our calendar Green Your Fleet! Check out the biggest alternative fuel and electric vehicle demonstration hosted in New Hampshire! More information National Conferences Advanced Clean Transportation Expo AltWheels Fleet Day National Biodiesel Conference National Drive Electric Week Northeast Propane Show U.S. Clean Cities Coalition Network Events and Conferences Webinars