Kawasaki Unveils CORLEO: A Hydrogen-Powered Robotic Horse for the Future of Mobility — On April 5, 2025, Kawasaki Heavy Industries introduced the CORLEO, a groundbreaking hydrogen-powered, four-legged robotic vehicle designed for human riders, at the Osaka-Kansai Expo. This innovative robotic with motorcycle engineering, aims to redefine off-road mobility while prioritizing sustainability. The CORLEO is powered by a 150cc 20 horsepower hydrogen engine that generates electricity to drive motors in each of its four legs. Hydrogen is supplied from a rear-mounted canister with a distance projection of ~150 miles. Each leg features two separate rubber hooves, designed to absorb uneven terrain and provide non-slip stability on surfaces like grass, gravel, and rocky paths. The rear legs move independently from the front, absorbing shocks during walking or running, while the rider maintains a forward-leaning posture for better visibility when navigating obstacles like steps. Riders control the CORLEO by shifting their center of gravity, detected through sensors in the footpegs and handlebars. The stirrups are adjustable for optimal positioning, and an onboard display provides real-time navigation and posture feedback, making the ride intuitive and user-friendly. This design not only caters to thrill-seekers but also holds potential for accessibility, offering a new mobility solution for individuals with disabilities. The CORLEO draws inspiration from sci-fi concepts like the "Mechanical Horse," a trope seen in media such as Mazinger Z and Star Wars (e.g., General Grievous' Tsmeu-6 Bike). However, Kawasaki's creation is grounded in practical innovation, aiming to combine the charm of equestrian activities with cutting-edge technology.