Vessel

Vessev, a water-transportation start-up company, has just unveiled its slick, America's-Cup-style hydrofoil, 10-passenger electric ferry called the VS-9. It's being touted as the most accessible electric commercial vessel ever – not to mention efficient and green.

Fossil fuel tankers that transport oil, gas and coal across the seas play an important part in the global energy mix, but one Japanese startup is eyeing a future where these types of vessels carry a much cleaner load – energy from offshore wind farms.

Recent developments suggest that construction of the futurist SeaOrbiter ocean explorer is set to begin this October, with possible completion in 2013.

Norwegian company Effect Ships International AS completes tank-testing of two Air Support Vessel hull models.

World's largest cruise liner, Oasis of the Seas, sets sail.

The Seabreacher is a two-seater, fully-submersible watercraft that was modeled on a dolphin.