Flight risk: can we take the carbon out of air travel?
But air travel is popular, dirty and, most importantly of all, hard to power with anything other than hydrocarbons.
That’s where Megill comes in. The German-Canadian is seeking the holy grail of air travel – a manned aircraft powered by a liquid hydrogen fuel cell. The technology, engineered by the non-profit organization AeroDelft which he co-founded in 2017, promises a sort of atmospheric alchemy: a power source whose principal emission is water vapour.