Companies face hurdles to export US natural gas

Dozens of facilities have been proposed to liquefy and export natural gas, but most will never become reality. The plants are costly, and federal permitting is complex. Only six have Energy Department licenses to export to nations with which the U.S. has no free trade agreements — the most attractive pool of potential customers. And only one of those also holds the required permits from the Federal Energy Regulatory Commission.

Here are some of the furthest along in the process, listed by the order in which they obtained the export permits. Go to HoustonChronicle.com to read more about the plans (subscription required).