What advantage does the superior density of liquid methane provide for launch vehicle design?

Answer

It allows for much smaller propellant tank structures compared to hydrogen for the same mission $ ext{Delta-v}$.

Due to its higher density, liquid methane requires less physical volume to store the necessary propellant mass, leading to smaller and potentially lighter tank structures compared to the low-density liquid hydrogen.

What advantage does the superior density of liquid methane provide for launch vehicle design?
fuelrocketpropellantcombustionMethane