Which energy source accounts for the greatest proportion of electricity generation in the
US?
Natural Gas
Petroleum
Coal
Hydro - answer Natural Gas
(In 2015 last quarter, the share of electricity net generation provided by natural gas
exceeded that of coal.)
To produce one dollar worth of goods and services, the U.S. uses less energy than any
other country in the world.
True
False - answer True
(To produce one dollar worth of goods and services, Japan uses less energy than any
other developed country in the world. Refer to Section 2.2 Global Energy Consumption
and GDP per person graph.)
At the present rate of consumption, reserves for which one of the following fuels will last
the longest time?
Petroleum
Coal
Natural Gas - answerCoal
(At the current rate of consumption, the approximate life time of the world's petroleum,
natural gas, and coal reserves is 42 years, 56 years, and 118 years, respectively. Refer:
section 2.7 Lifetime of current reserves at constant consumption.)
The U.S. has highest crude oil reserves in the world.
True
False - answerTrue
(The United States ranks as eleventh in the world for reserves of oil. Please refer to
section 2.5 Current and Future Energy Sources of the USA.)
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