You've probably seen it, but:
The footnote: opening up offshore drilling would, according to (I think) Harper's Magazine this month, reduce oil prices in America by approximately $.04.
Like most Republican plans, the idea is to sound reasonable while producing no results and selling off public assets for private profit. Republican voters aren't bad people; they're just really bad at spotting con men. That's why their "family values" figureheads are always getting divorced or caught naked with underage boys.