Not really. In orbit, you can transfer your fuel slowly, gently, and the receiving tank doesn't have to be under pressure. During launch, you need the receiving

Not really. In orbit, you can transfer your fuel slowly, gently, and the receiving tank doesn't have to be under pressure. During launch, you need the receiving tanks to be at 50-100 PSI for the rocket to work, which probably means the fuel being pumped at a pressure that is much higher.