Fortunately planes don't have much trouble with volume. Taking away a luggage compartment of a long-range airliner like 777 plus it's normal fuel tanks, for hyd

Fortunately planes don't have much trouble with volume. Taking away a luggage compartment of a long-range airliner like 777 plus it's normal fuel tanks, for hydrogen, will result in at least a trans-atlantic range carbon-free plane. And people already more or less got over the idea of check-in luggage, due to fees.