If you search for [gas] in Google on your desktop or mobile device, you may see Google not only list local gas stations, but also display the gas prices at those stations.
Pete Meyers from Moz spotted this and posted a screen shot on Twitter, and now I am able to replicate this, as well. Here is a screen shot of gas prices showing up for me:
Bing has been displaying gas prices in their local results for some time. But Google has not, and this seems new.