alt Hacker NewsYou can to vary the split of the output by cracking heavier hydrocarbons into lighter. So it's not a fixed fraction, but driven by both demand and cost of processing.
You can to vary the split of the output by cracking heavier hydrocarbons into lighter. So it's not a fixed fraction, but driven by both demand and cost of processing.
And also by isomerization and alkylation. Some of the processes involved in that involve rather heroic chemistry, using things like superacids to ionize hydrocarbons.