"Gas and Food Prices hit 2013 Lows"

The Central Banks have to be very careful here. The price declines make folks who drive or eat happy but if it spreads to the wider economy it will, because of wage stickiness, lead to layoffs rather than wage reductions commensurate with the deflation.
From Pragmatic Capitalism:

The Federal Reserve prefers not to focus on inflation within the energy and food segments, but that doesn’t mean they’re not important. They’re just volatile components that can lead to erroneous conclusions about the broader index. And boy have they been volatile in recent years.

After huge increases in 2007/8 and 2010/11 food and gas prices are now declining rapidly. According to the FAO global food prices are now deflating at a -7.7% year over year rate:

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