PCE and CPI Inflation: What’s the Difference? at the Federal Reserve Bank of Cleveland:
The Federal Reserve, however, states its goal for inflation in terms of the PCE.
Two Measures of Inflation and Fed Policy by Jill Mislinski:
The Fed is on record as using Core PCE data for its primary inflation gauge.
I say CPI, you say PCE by Phil Davies. At the Federal Reserve Bank of Minneapolis:
The Fed switched from the CPI to the PCE in 2000.
Now we know.