Filled up my truck yesterday with diesel from Safeway. Price was $187.9. With my Safeway rewards of $1.00 I put in 19.78 gals for $17.39. Been a long time since I've seen it this cheap.
If you follow the stock market, low oil prices do not do the market any good and can result in a crashing market - like what we're in now... with our 401's crashing as well.