 Fitted with two 127kW DC electric shaft motors alongside twin conventional diesel engines, she has registered a fuel consumption of just 45 liters per hour in hybrid mode at 9 knots.Heesen Yachts has also collaborated with Van Oossanen on the implementation of the naval architect’s Hull Vane system, a stern-mounted, underwater fixed foil that aims to improve both fuel saving and seakeeping.The first superyacht to feature a Hull Vane was Heesen’s "Alive", a 42 metre (138ft) yacht delivered in 2014 which also features an FDHF hull.