It’s not really that important. If you consider Snowpiercer train technology physically plausible… that’s cool. For me it’s all incredibly silly but the movie still works. It’s clear it was just an allegory and the world is absurd on purpose. They didn’t want to create an almost correct world so they created a crazy one.
Nope, it is a perpetual motion machine (https://snowpiercer.fandom.com/wiki/The_Engine) which is psychically impossible.
It’s not really that important. If you consider Snowpiercer train technology physically plausible… that’s cool. For me it’s all incredibly silly but the movie still works. It’s clear it was just an allegory and the world is absurd on purpose. They didn’t want to create an almost correct world so they created a crazy one.