Folks on the eastern side of the time zones wouldn’t be any more worse off with permanent ST than we already are. We already use ST in the winter when the effective daylight hours are shortest. Permanent DT would be a quality of life improvement for eastern edge of timezone folks in the winter at the expense of late sunrises for western edge of timezone people. Permanent ST I think is at least better than the switching in that it doesn’t make the short day hours any worse and gets rid of the clock change silliness.
https://www.bls.gov/cpi/
They provide the data with and without food/energy. Looks like as of Dec 23, including food and energy reduces cpi when compared against excluding it because energy prices have dropped.