Designers hope hydrogen-powered plane will fly halfway around the world without refue
 

One of the toughest nuts to crack when it comes to developing carbon-free transportation is flying. Commercial electric planes won't be feasible until batteries become more powerful and lightweight. Hydrogen-powered flight is another possible way forward, and a research group has revealed what such a plane could look like.

https://www.engadget.com/hydrogen-pl...4.html?src=rss