@LunaDragofelis@vulpine.club @Ivafakename Sailboats don't, but motor boats do yeah.

Engines which use hydrogen as fuel would be p. cool cause you can jsut get that shit from water and air cause it's fuckin' everywhere. plus renewable because you get the energy from it by what, splitting the hydrogen off the water, so boom, more hydrogen gas! which then can combine with oxygen to make water again!

Also if we can get artificial photosynthesis as efficient as plants can do it, god that'd be great.