This includes Amazon (NASDAQ:AMZN), Walmart (NYSE:WMT), and Airbus (OTCPK:EADSY). The Inflation Reduction Act passed by the Biden Administration in 2022 provides both tax incentives and subsidies to clean energy projects, and this piece of legislation had initially caused investors to give hydrogen stocks another look. Solaris Bus & Coach, a Polish manufacturer of public transportation vehicles, recently ordered 177 hydrogen fuel cells from Ballard, suggesting there is still demand for their product.