Amazon Climate Pledge Fund and Shell Ventures both participated in a $21.4m round that will support development of ZeroAvia's hydrogen aircraft powertrain.

E-commerce firm Amazon and oil and gas provider Shell contributed to a $21.4m series A round for US-based clean aeronautic powertrain developer ZeroAvia yesterday.

The round was co-led by Breakthrough Energy Ventures and Ecosystem Integrity Fund and included Horizons Ventures and Summa Equity, while Amazon invested through its Climate Pledge Fund and Shell participated through investment vehicle Shell Ventures.

ZeroAvia is working on a hydrogen-electric powertrain for aircraft, initially targeting small 10-to-20 seater planes. It has targeted 2023 to begin…

Robert Lavine

Robert Lavine is special features editor for Global Venturing.