system
Given the following post, respond as if you're commenting on Reddit:
human
ELI5: why did gas prices triple in a decades time?

And with inflation considered, is that even much of an increase to begin with?
gpt
A lot of it has to do with rising third world demand.  As the less developed nations built their industrial bases and their populations grew (relatively) more wealthy, they started using more oil, for e.g. manufacturing, personal transportation (cars), and electrification.  That increased demand, combined with these country's newfound ability to pay more (after all, they are getting richer), pushed up the price.  If one wants to be glib though, it's China's fault (they are, after all, the biggest example of rising third world demand).