Private Superforecasting Workshop asks:
How many US states will have five or more public hydrogen fueling stations as of 29 December 2023, according to Alternative Fuels Data Center (AFDC)?
As US policy pushes for more alternative fuels, there are efforts to expand the availability and use of hydrogen fuel (US News & World Report, CNBC). The outcome will be determined using data as reported by the AFDC at approximately 5:00PM ET on Friday 29 December 2023 (AFDC, click "Download Results" for a file listing all public stations and their locations). For the purposes of this question, the District of Columbia is considered a state.