Conservation alone cannot be the foundation for a sound comprehensive energy policy.  It simply isn't enough. There is no one "thing" that can provide a sufficient basis for a sound energy policy.  (See SUV's and the Big 3 for a fine example of putting all of your proverbial eggs in one basket).  It needs to be multi-faceted- hence the term "comprehensive", which is tossed about by both sides of the aisle.  Conservation is only a part of that policy. Solar energy, wind energy, nuclear energy, new refineries, offshore drilling - all need to be a part of a comprehensive policy.  (as an aside, I find it interesting that the $/bbl has dropped about $6 since the R's have been pushing for offshore drilling)