Most of charts were made usually using a range of crude oil prices but most are in ~$27-$35 it seems, whether this is good or bad for the American economy is a matter of debate. Whether oil will remain at these low prices or go up (and when) is a question many discuss but no one can predict the future. But check out  the following and feel free to comment and add anything interesting missing from these lists

 

Prices of some liquids in comparison

One Gallon of Milk Is Now Worth About Two Gallons of Oil: Chart via BBG

20151223_oil