Gas is $2 right?
http://www.macrotrends.net/1369/crude-oil-price-history-char...
But yes who knows...coming regulations may change that number significantly.
www.breitbart.com/big-government/2016/01/12/crude-oil-price-still-crashing-toward-25-breakeven/
How do I collect?
There's an implicit requirement for a useful prediction of the price in the GP comment.
I would certainly factor the different cost structures in if I was doing the calculation for real (gas could be $4 in a couple years, who knows).