Before the use of natural gas or oil for heat, coal was used.
Japan has cut the use of oil in its heavy industries by 75 percent over the same period.
Meanwhile, oil use in the third world is expected to increase dramatically - up to 170 percent by the year 2010.
At the rate the world is increasing its use of oil, it will need 10 million more barrels a day by the year 2000.
With the use of oil as a transport fuel for cars, things are not so easy.
Both men urge the auto industry to take action to cut oil use.
And our home heated without the use of electric, gas or oil.
Or, back on Earth, the means to reduce our use of coal, oil, and nuclear power.
And over the last decade, the country has accounted for almost half the rise in global oil use.
It now expects oil use in 2005 to grow by 1.6 million barrels a day.