Well, it's certainly not the only thing at work, but I would hazard a guess that part of the cause might be Presidents who decide to celebrate Earth Day by burning 53,000 gallons of jet fuel, about 50 times more petroleum than my family uses in a year.
And yes, using jet fuel does impede gasoline supplies; the "cracking" process converts the long hydrocarbon strands of kerosene into gasoline.
I thought I would do well by firing up the old chainsaw to cut down a tree for Earth Day, but I dare say that the President has me beat for mocking the intent of that day by a long shot.
Some here, some there - by Dan Phillips My "muse," apparently, is taking the day off. It happens. In the interim, here are some posts and thingies here and there, worth noting. ...
2 hours ago