>>this is not defensible
OK, here's the solution: invent alternative energy technology that is cheaper than gasoline. Then everyone will buy it instead of gasoline, you will get rich, and Exxon will be put out of business.
That's not so far fetched as you might think? And I look forward to the day that it happens. Watching the turban headed folks drink a 'light-sweet-crude' cocktail will be great! Remember, they also once said that a buggy couldn't move unless a horse pulled it.......