Hydrogen + Fuel Cells Hannover Messe
April, 17-21, 2023
Hannover, Germany
https://www.hannovermesse.de/en/expo/topics/hydrogen-fuel-cells-hannover-messe
Hannover, Germany
https://www.hannovermesse.de/en/expo/topics/hydrogen-fuel-cells-hannover-messe
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Drones Asia 2023
March, 15-16, 2023 
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https://dronesasia.com DA 2023 provides a focused meeting place for the region’s UAV industries. In addition to the focus on providing integrated geospatial applications for key sectors across Southeast Asia, the event will incorporate the latest in aerial, unmanned and ground-based solutions.
Renexpo Interhydro
March, 30-31, 2023
Salzburg, Austria
https://www.renexpo-interhydro.eu/en/ Hydropower Trade Fair & Congress The industry experts meet at the hub between Eastern and Western Europe. The fair shows what contribution hydropower makes to a safe, sustainable, affordable and climate-neutral energy supply. This year Europe's meeting point for hydropower will again offer a unique platform for knowledge transfer, exchange of experience and new contacts.
