Although transportation is still a leading source of greenhouse gas emissions in California. AC Transit was the first transit agency to join the California Climate Action Registry and has been named a “Climate Action Leader.” They have long been a statewide and national leader in developing and deploying hydrogen fuel-cell technology for its bus fleet. Expansion of on-site hydrogen production and fueling capacity is needed and the existing hydrogen bus program should also be expanded. They need to move to zero-emission fleets for maintenance and company pool vehicles as well. The biggest problem is lack of funding for new equipment, which is seriously threatened by lack of federal support.