Saturn V 1st stage ran on kerosene (was Saving energy is silly; the

> > Only 3% of the Saturn 5 launch costs covered fuel (ref.: LEO on the Cheap). Launch costs have virtually nothing to do with energy costs.
> First stage dry weight:288,000 pounds (131,000 kg) and fully fueled at launch had a total weight of 5.0 million pounds (2.3 million kg)
> At current costs of production, 50 kw of electricity/kg H2 at 8 cents/kw $4/kg and of liquid O2 at about 4 cents/kg the total costs of fuel would be roughly $2,080,000.