Aurinkopurjeet laivaan

In two years, tourists will likely be traveling to Alcatraz on green energy.

Australia's Solar Sailor has come up with a way to make large solar panels that can also act like sails. Put one or more of the sails on a boat and the boat gets converted into a hybrid. The boat still has a diesel engine, but it mostly gets around on wind or sun power. A tour boat in Sydney Harbor has an array of eight small solar sails.