. >> henry lovens in the rocky mountain institute lay out a blueprint for how the u.s.that goal and he says there is no need for government intervention. because businesses would lead the effort and profit from doing it. >> we found this would require no new investigations and no act of congress because it could be led by business for profit, the $5 trillion on the table is ample inducement. >> for example we can save money by putting our gas guzzlers on a diet. >> over the past quarter century, they have gained weight twice as fast as we have. 2/3 of the energy it takes to move a typical car is caused by its weight. >> trains planes and automobiles burn over 13 billion barrels of oil every day in the united states. and we spend over a billion dollars per day buying that oil, almost half of which comes from foreign countries, some of whom are considered national security problems. >> weaning ourselves off oil saves about $4 trillion net present value. that money then stays at home. >> so lovens reasons what if we save more fuel getting gas to the wheels. he says by buyi