TOKYO — The Toyota-led push to plug hydrogen combustion as a path to carbon neutrality has gained backing from rivals such as Honda and Suzuki as a group of Japanese minicar and motorcycle makers launch a fresh nationwide effort to promote the technology.
Honda Motor Co. and Suzuki Motor Corp. will join Kawasaki Motors and Yamaha Motor Co. to develop hydrogen combustion engines for "small mobility," a category they say covers minivehicles, motorcycles, boats, construction equipment and drones.
The new effort, announced Wednesday, injects fresh energy into a clean powertrain strategy championed by Toyota Motor Corp., which has largely been a lone voice in the wilderness on the technology.
Toyota Chairman Akio Toyoda has been positioning hydrogen combustion as one route to achieving carbon neutrality since 2021. Japan's biggest automaker has been developing hydrogen-burning engines and deploying them in race cars, and the Toyoda is expected to take his tur…