Efficiency, much less expensive. >> you're saving money as energy prices go up. >> the only thing businesses can't control is the cost of utilities. they can control the consumption. it's improving our competitive nature within the environment attracting much better, the better quality credit companies want this as a place to work. >> it's unbelievable the effect of this. we kept tuition down in the pennsylvania state college system by making every one of our universities do escos for every building, an energy audit to put in energy efficiency. unbelievable. do you know how much energy electri...