TechnologiesElectric Aircraft PowertrainsScoop.it ZeroAvia’s hydrogen-electric powertrain selected for NASA iTech’s Cycle I Forum SOURCEh2-view.com May 7, 2021 961 ZeroAvia’s hydrogen-electric powertrain selected for NASA iTech’s Cycle I Forum ZeroAvia has selected as one of ten finalists to present its innovative hydrogen technologies at NASA iTech’s 2021 Cycle I Forum on the 27th of May 2021.