For me it's more supply than cost...and reformulations that may not be optimum to try to make up for supply that other thread authors have noted are probably already occurring.
I'm going to be really snotty here with this take...
I've been doing rotating shift work for 25 years. The fact that we lose our collective minds now with a one hour clock change twice a year is laughable to me.
If this goes through, I give it 3 years at most before it gets changed back and...
What about the fact that it looks like reformulations are going to be occurring with non-group III for a while to cover supply issues? See the Oil Industry news thread on that one. I'd like to circumvent that if I can, so I have 2 years worth or so.