I've read $4.50 is the minimum to affect SUV sales appreciably.
OK, everyone agrees that cutting our oil consumption and foreign dependence is a good thing. Preaching hasn't worked. Rationing is a hot potato(e)

that nobody will touch. More tax is political suicide. It's clear that higher prices is the only way...but how?
The oil men in the White house look at each other and giggle. The answer is clear.....and very profitable. But golly gee, will big oil go along with it? The giggles turn to laughing and howling until the tears flow. Then someone suggests the oil executives be given a Freedom Medal for their national service. Now the laughter becomes a complete breakdown in decorum and the meeting must adjourn.
Now, you know I made that all up. That couldn't really happen...could it.....