1 .		Hydrogen gas is often called the fuel of the future. The problem with hydrogen gas as a fuel is that it
2 .		Which of the following is not an indirect form of solar energy?
3 .		OTEC is a(n)
4 .		Which of the following is not true about tidal power?
5 .		Flate-plate collectors
6 .		The power grid is
7 .		Which is the oldest form of direct or indirect solar energy?
8 .		Which of the following is not true of wind power?
9 .		Three main problems arise when the Sun is not shining. These may be categorized as [Hint]
10 .		There are currently two economically viable ways of producing electricity from sunlight. These are [Hint]
11 .		Geothermal energy is [Hint]
12 .		Which of the following statements is not true of energy policies? [Hint]
13 .		A carbon tax is [Hint]
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