OSAKA -- Japanese engine maker Yanmar and Sony Group will bring together their ship engine and image sensor technologies to develop ship-cleaning underwater drones.
Cleaning system improves vessels' fuel efficiency and addresses environmental worries

Yanmar seeks to boost the efficacy of its ship-cleaning drones through its new tie-up with Sony. (Yanmar)
OSAKA -- Japanese engine maker Yanmar and Sony Group will bring together their ship engine and image sensor technologies to develop ship-cleaning underwater drones.