Government intervention in energy markets involves either government ownership of industry resources or, more commonly, planning and regulation of privately held resources. The proper role of government planning and regulation has been a hotly debated issue among economists and politicians for many years. Through the twentieth century, governments of the United States and of most of the rest of the developed world have become increasingly larger and more involved in taking action that affect the outcomes of how energy is produced, transported, and consumed. Some believe government intervention in markets is the best solution; others believe government intervention should be avoided. Given the extensive number of energy markets and the extensive use of government intervention in those markets, it is not surprising that the record is mixed. Markets have proved to be reasonably efficient, yet also can be harsh; government...