Under the hood of the new “Ten-Oh” Japanese tugboat is the key is a novel marine engine system churning out more than 4,400 hp (!) from its dual, dual-fuel hydrogen-burning V12 engines. Is this – ...

A hybrid tugboat pairing a 6 MWh battery system with methanol-fueled engines has completed sea trials in European waters, clearing one of the final hurdles before delivery to a port operator. The ...