An STP ad came up on my Facebook feed touting it's use of jet fuel as the primary ingredient in the Super Fuel injector cleaner (and a pinch of PEA). SDS confirms it
https://www.stp.com/sites/default/files/STP%20Super%20Concentrated%20Fuel%20Injector%20Cleaner%20%282015-02%29.pdf
https://www.stp.com/sites/default/files/STP%20Super%20Concentrated%20Fuel%20Injector%20Cleaner%20%282015-02%29.pdf