More and more boatbuilders are offering electric or hybrid propulsion as an option, says Rupert Homes, but is it viable yet for a heavy aluminium yacht?

COOL RATING SHAPE-SHIFTING INNOVATOR

A new hydrogen-powered boat claims to deliver the speed and silence of an electric boat without the usual limitations of range and battery size

WHAT HAS A QUIRKY ONE-OFF CRUISER GOT TO DO WITH THE FUTURE OF SHIPPING? MATT MARVELS AT THE EVOLUTION OF THE AERORIG

LOA: 49ft 1in (14.90m) BEAM: 15ft 1in (4.60m) ...

LOA: 46ft 6in (14.17m) BEAM: 15ft 2in (4.62m) ...