Turkish swift trawler builder Sirena Marine is developing what is likely to be the world’s first production motor yacht to use a series hybrid drivetrain. Until now all the diesel electric craft we’ve seen from the likes of Greenline, Mochi and Hardy have used parallel hybrid drives. This means that both the diesel engine(s) and electric motor(s) can propel the craft directly, either independently or in tandem.
Sirena’s new series hybrid system relies purely on electric motors to propel the boat. The two diesel engines have no physical connection to the gearbox or
