You remember, thalidomide is the drug which was actually really most used as sleeping aid that when pregnant women took were shown to produce deformities, children who were born without limbs for example.
Put another way, residential heating and air conditioning constitute 11.88 percent of the U.S. energy budget: cars only account for 8.9 percent. (see spread sheets 2.2 and 2.6) Worse, a good portion of that energy is wasted: lights get left on, air conditioners churn whenyou are on vacation, sleeping notebooks suck vampire power.