Excerpt from Power and the Environment: A Potential Crisis in Energy Supply
Since 1920 the annual gross consumption of energy from mineral fuels and hydropower in the United States has grown from trillion Btu (1, p. 33 to trillion Btu (2, p. During this period the percentages of energy produced from the various source materials have changed, as shown in table 1.
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HRD. Etat : New. New Book. Shipped from UK. Established seller since 2000. N° de réf. du vendeur LX-9780260069511
Quantité disponible : 15 disponible(s)