We took off with 3.7 tons of liquid propane.

While they're not amino acids, we're now finding things like propane and benzene, hydrogen cyanide, and formaldehyde.

Yes, it could be attached to this, and yes, on a kilogram of propane, you could drive from New York to Boston if you so choose.

Its atmosphere is largely molecular nitrogen, like you are breathing here in this room, except that its atmosphere is suffused with simple organic materials like methane and propane and ethane.

We've been working on this, actually, as an alternative energy source, starting way back with Johnson Johnson, to run an iBOT, because the best batteries you could get 10 watt hours per kilogram in lead, 20 watt hours per kilogram nickel cadmium, 40 watt hours per kilogram in nickel metal hydride, 60 watt hours per kilogram in lithium, 8,750 watt hours of energy in every kilogram of propane or gasoline which is why nobody drives electric cars.