Silver Wind, the latest boat from Italy’s ISA Yachts, is the first in the world to use water-jet propulsion driven by a hybrid diesel-electric system. When powered by its two marine diesel engines, the yacht can reach a top speed of 32 knots and cruise at 26 knots; when its water jets are driven exclusively by the two electric motors, it is able to cruise at 8. Not only does this system reduce fuel consumption, it also helps reduce maintenance costs by allowing the engines and generators to operate for fewer t…