11.   In the next few years, new gas supplies are expected to start reaching the European continent from Norway and the U.K. through new pipeline systems.

12.   It also has an indirect stake in Northern Border Pipeline Co., an interstate pipeline system.

13.   IPL operates the pipeline system along with its U.S. subsidiary Lakehead Pipeline Co.

14.   Natural gas industry officials say that will severely tax the pipeline system that delivers their product.

15.   NorAm operates two pipeline transportation systems.

16.   Operators of smaller pipeline systems must conduct periodic tests for leaks, dents and other problems under a rule adopted Wednesday by federal regulators.

17.   Rates of return on unregulated pipeline systems can be as much as double those of regulated systems.

18.   Russia said adding a few segments to its pipeline system made the most sense because it minimized construction costs.

19.   Still, the centerpiece of the Kazakh economy, oil and natural gas development, has remained stalled because Russia refuses to allow increased exports through its pipeline system.

20.   Soon after, the pipeline system automatically shut down.