The CPI-U increased 0.4 percent in May on a seasonally adjusted basis. The increase in the all items index was the largest since February 2013. The food index posted its largest increase since August 2011, with the index for food at home rising 0.7 percent. Increases in the electricity and gasoline indices led to a 0.9 percent rise in the energy index. The index for all items less food and energy rose 0.3 percent in May, its largest increase since August 2011. Along with indices for shelter and airline fares, the medical care, apparel, and new vehicle indices all increased.