Even with 1 percent annual growth in demand, the 100 quadrillion Btu consumed in 2006 would fall to 93 quadrillion Btu by 2050.

即使能源的需求在以1%的年增长率增加中但尽管2006年消耗了100兆btu2050年却可以下降到93兆btu。

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A BTU is the amount of heat energy needed to raise the temperature of about one-half kilogram of a substance by one degree Fahrenheit.

VOA: special.2010.11.23

Each Btu of oil is now worth about five times as much as each Btu of natural gas.

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Diesel packs more punch than gas about 147, 000 BTU per gallon for diesel versus 125, 000 BTU per gallon for gas.

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One BTU looks like any other when toted up in the government's energy accounts.

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