Originally Posted by **********

Kinda of a big difference.

Today there are alternatives to making cars go faster and faster using less and less energy, because there are lots of ways to transfer energy to wheels, and then to momentum.

When it comes to launching rockets, you have no road to grip and no wheels to grip it with. You have to get a bazillion pounds of stuff to overcome gravity and do it quickly. I see no way to do this with electricity, though anti-gravity magnito/quantum Awesomedrives would be nice.