By Geoff Fein Aluminum multi-hull ships are more energy efficient than a steel monohull ship, an Austal USA official said yesterday at a naval energy conference. "Multi-hulls by their nature are more propulsion efficient. The long slender hulls have much less resistance...and lighter is better, no matter what speed," Bill Pfister, vice president, external affairs for Austal USA, told attendees yesterday at the American Society of Naval Engineers Energy Futures Symposium in Arlington, Va. "Fast ferry operators buy aluminum multi-hulls…
USS Independence Is The More Fuel Efficient of Two LCS Variants, Austal Official Says
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