It would take six months to get to Mars if you go there slowly, with optimal energy cost. Then it would take eighteen months for the planets to realign. Then it would take six months to get back, though I can see getting the travel time down to three months pretty quickly if America has the will.
Elon MuskReally, the only thing that makes sense is to strive for greater collective enlightenment.
Elon MuskTo our knowledge, life exists on only one planet, Earth. If something bad happens, it's gone. I think we should establish life on another planet-Mars in particular-but we 're not making very good progress. SpaceX is intended to make that happen.
Elon MuskIt is definitely true that the fundamental enabling technology for electric cars is lithium-ion as a cell chemistry technology. In the absence of that, I don't think it's possible to make an electric car that is competitive with a gasoline car.
Elon Musk