Energy law

Energy laws govern the use and taxation of energy, both renewable and non-renewable. These laws are the primary authorities (such as caselaw, statutes, rules, regulations and edicts) related to energy. In contrast, energy policy refers to the policy and politics of energy.

In the twentieth century, energy law focused mostly on natural gas regulation, but was expanded to include other areas of energy regulation as well. It also includes the legal provision for oil, gasoline, and "extraction taxes."

From http://en.wikipedia.org/