In mankind’s millions of years on earth, many types of energy resources have been untilized. However, in the last ninety years, petroleum has become by far the most by Advertise" style="z-index: 2147483647;"> important Acounting for over 50 percent of all energy consumed, it is so essential that, without petroleum, we will be faced with economic disaster. Of course, the earth’s supply of petroleum will not last forever, and in fact, it will disapear sooner than most people believe. At the current rate of consumption, the world’s proven oil reserves may be exhausted within forty to fifty years. Obviously, measures should have been take decates ago to decrease out dependence on oil. Amazingly, such measures are being discussed today.
đang được dịch, vui lòng đợi..
