At the margin, refining capacity, local demand, these sorts of things matter from day to day.

NPR: Curb Your Conspiracy Theories on Gas Prices

The weakness in output growth at home will open up a growing margin of spare capacity that will over time bear down on inflation.

BBC: Central banks' official statements

But inflation should then drop back, as the contribution from retail energy prices wanes and the margin of spare capacity in the economy increases.

BBC: Central banks' official statements