Terminal in Louisiana
Media playback is unsupported on your device

US gas produced by 'fracking' to be exported for the first time

US gas produced by the controversial technique of "fracking" is due to be exported for the first time.

A $20bn project to prepare an export terminal is under way in Louisiana.

One of the first contracts will see shale gas shipped to Britain under a contract with Centrica.

David Shukman reports.

Go to next video: What is fracking?