Airbus is modifying the A380 jumbo jet to use hydrogen. https://www.executivetraveller.com/news/green-machine-the-a380-superjumbo-gets-hydrogen-power?utm_medium=Social&utm_source=Facebook&fbclid=IwAR0l7I--wEjrnAu83SlWzs4QkChFgwbBTqNH6TCxHpS90XxIR0L5bWOXfjY#Echobox=1672101272