“The four concepts that Airbus proposed back in 2020 will pursue either hydrogen combustion or hydrogen fuel cell technology. The latter will be used on a fully electric aircraft type and will be the one tested on the A380 demonstrator.”
Okay, I’ve actually read the whole article now. My bad.
No worries ...
First time I saw “fuel cell” in the race car context, I had a serious “WTF???” moment.