"The core price index for personal consumption expenditures, which excludes volatile food and energy, rose 1.3% compared to February 2009. It was 1.5%, year over year, in January 2010. The Fed checks the index for signs of inflationary pressure within the economy.
Monthly, the core index was flat in February compared to the prior month.
The PCE price index including food and energy prices also was unchanged in February compared to January and climbed 1.8% year over year." - WSJ
More disinflation