great stress has been laid on the fact that natural processes have been adapted to produce chemicals we obtain from coal and oil. Thus fermentation—which we use mainly to make liquor—turns grain, beet sugar, and other crops into alcohol which is widely used for heating and cooking, as well as for the production of other chemicals. The Ecotopians are extremely proud that they employ petroleum products solely for lubrication—and even there are making progress toward producing heavy, durable oils from vegetable sources. Plant breeding is highly developed, and plant care has attained a positively
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