Most of us don’t want to put a hole in our boats, much less two of them. But that’s exactly what Sebastiano Canto, a very creative London-based designer, has done with his new 21-foot, all-electric catamaran named Enea. “The main feature is the combination between aesthetics and functionality,” Canto writes, with “a very original hull design” that reduces weight and lateral resistance without compromising the cat’s seakeeping ability. “Less weight and less water resistance equal greater efficiency,” he says. All that adds up to smaller engines to move the boat. Enea is powered by two Yamaha Harmo 3.4kW electric engines,…