The Return Of The Blimp . . . As A Green Cargo Carrier

It's not news that cargo planes aren't the greenest way to transport heavy loads, but some companies are working on other ways to send goods through the air. Could blimps make a comeback as a greener cargo carrier? Speaking to an audience at the World Forum on Enterprise and the Environment in Oxford, England, scientist David King recently predicted that helium-powered ships could be carrying freight within a decade. It is not as far-fetched as it sounds. Companies like Lockheed Martin and Boeing have been developing blimps for some time, both for cargo transport and for military operations .