The population of the United States is only 6% the world"s population, but Americans (1)_____ one third of all the energy (2)_____ in the world. This fact alone says that Americans need to use less energy. And because the price of energy had been rising very rapidly (3)_____ the limited supplies of oil in particular, Americans are becoming aware to the need to (4)_____ energy. In California we have a California Energy Commission which has set up in the past five years to (5)_____ plan for our future energy rise. We have (6)_____ laws in California to help us conserve energy. First of all, our houses in California have been very (7)_____ of energy in the past. They were not (8)_____ very carefully and so the heat would go out of the house very rapidly. Now we require that the homes have a (9)_____ level of insulation, and so the homes built now are much more (10)_____. (11)_____, in transportation (12)_____ a large percentage of oil energy is used, we need to develop more public transportation. In China, of course, you have a very good public-transportation system. And it is a(n) (13)_____ for the kind of thing we need to develop more in the United States. Automobiles are also becoming more (14)_____ The smaller automobile with efficient engine can help to conserve a large amount of energy along with planning our (15)_____ more carefully. Many different studies have shown that we could (16)_____ our energy consumption by (17)_____ half or two thirds and still have the (18)_____ quality of life. And many different types of technologies are currently being researched as to (19)_____ they can be built to use (20)_____ energy and still supply the same service.