Christian Science Monitor: Over the past decade, oil and gas production has surged at vast shale formations in Texas, North Dakota, Pennsylvania, and elsewhere across the US. That has led to a rise in exports of petroleum products and a reduction in the amount of oil and gas the US imports from abroad.
It's one benefit of the domestic hydraulic fracturing and horizontal drilling revolution that has stirred passion on all sides of the debate over America's energy future. The costs are damage to local environments, critics...