If this was made in 2022 they'd all be solar powered LOL

Mobil.

Exxon.

Everything runs on piss, there you go, plot hole solved.

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Good post. Just wanted to let you know it is in fact a tattoo on the child's back. You can see sketches of it on the table in her parents' shack.

You can't nitpick this movie or you'll never enjoy it. There's a great story here, but things like how they get filtered cigarettes, fuel, how the water rose, how a child has a world map as a birthmark and other things has to just be accepted. Without those little things the movie would be very boring.

It runs on Ethanol. They clearly have enough to drink.

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The smokers had
plenty
of time to discover an ad-hoc solution using their own ingeniuty. I would compare it to mechanics in rural Africa.

Yes, but you need either electricity or refined fuel to start with to get the whole process going. Just having oil by itself is useless. On modern ships, they would obviously start off with some refined fuel.

They get the electricity from the oil. They do this on all larger ships: they only carry crude oil for fuel and electricity, and refine it on the spot.
What I don't know is where they get the crude oil. From the first scene on the tanker I thought the smokers lived on an oil rig, which would have been cooler in my opinion.

Really? Where do they get the electricity to operate the refinery?

Yes they operate a refinery and that is mentioned in the dialogue.

Who is to say they don't have knowledge of petroleum chemistry. It is a big vessel and they clearly have mechanics on board.

That's not going to work. The light weight hydrocarbons evaporate. The tanker would be left with thick goo. Converting that to light weight hydrocarbons requires knowledge in chemistry and they probably don't have it.

Yes in the bows of the ship.