Ships cut fuel use and pollution by using the same techniques that help penguins swim quickly.

Penguins release streams of lubricating bubbles from their feathers to help them surge out of the sea. Now shipping engineers and operators are looking for similar ways to reduce friction between ships and sea water, with a system that releases air to create a carpet of bubbles along the bottom of the ship. “This technology could improve ship energy efficiency by more than 5%,” says David Connolly, Lead Principle Maritime Technologist at Shell. “That means less fuel used and less air pollution.” Read More