At Present,it Will Be Difficult and Perhaps Inappropriate to Develop

question 57

Multiple Choice

At present,it will be difficult and perhaps inappropriate to develop an economy based on burning hydrogen rather than natural gas or gasoline because

• A)hydrogen is a dirty fuel.Burning hydrogen produces significantly more pollutants than burning natural gas or gasoline.
• B)hydrogen is not an efficient fuel.Per gram,hydrogen has about the lowest heat of combustion of any known substance,much lower than natural gas or gasoline.
• C)although hydrogen is abundant,pure hydrogen is not found naturally on earth.Hydrogen is difficult or expensive to isolate and collect.
• D)being such a light element,hydrogen will not flow through pipelines the way natural gas or gasoline do.Hydrogen cannot easily be delivered from where it is produced to the places where it is needeD.

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Definitions:

Moral Hazard

A situation in which one party is more likely to take risks because they do not have to bear the full consequences of their actions, often seen in insurance and finance.

Risk Aversion

A preference for lower risk investments, often reflecting an investor's reluctance to accept a high likelihood of losses.

Federal Tax Bracket

Federal tax brackets are ranges of income to which different tax rates apply, forming part of the U.S. progressive tax system.

After-tax Yield

The return on an investment after the effects of income taxes are taken into account, reflecting the actual gain to the investor.