The premier Dutch shipyard, Feadship, has just released an amazing video showing their brand new 83,50-metre (273’11”) motor yacht Savannah (hull 686) as she enjoys her sea trials off the Dutch coast. Luxury mega yacht Savannah represents the first superyacht to feature an eco-friendly blend of a single diesel engine, three gensets, batteries, propeller, azimuting thruster and a streamlined hull.