OSAKA -- Kubota on Monday revealed what it calls the world's first self-driving tractor that runs on hydrogen, marrying labor-saving technology with clean energy in the agricultural sector.
Autonomous farming machine showcased at World Expo in Osaka

Kubota's new fuel cell tractor at the World Expo in Osaka on Sept. 22. (Photo by Takumi Tamura)
OSAKA -- Kubota on Monday revealed what it calls the world's first self-driving tractor that runs on hydrogen, marrying labor-saving technology with clean energy in the agricultural sector.