Gas explorer teams up with Lockheed Martin on helium-fuelled airships
• http://www.telegraph.co.uk, Jon YeomansGiant helium-fuelled airships could soon be plying the skies - and a Tanzania-based gas explorer hopes to be joining them for the ride.
Giant helium-fuelled airships could soon be plying the skies - and a Tanzania-based gas explorer hopes to be joining them for the ride.