First and foremost, the boom depends on a free, liquid, competitive market in gas, underpinned by an extensive and well-regulated pipeline network.

ECONOMIST: Lexington

One would expect, therefore, that environmental activists would join free-market advocates opposing government obstruction of natural gas production.

FORBES: The Sierra Club Fails An Environmental Consistency Test

In America gas is now traded in a relatively free market.

ECONOMIST: Energy, the new convergence