China has unveiled the **ET504-H**, a groundbreaking smart tractor that looks straight out of a sci-fi movie — and it’s not just about looks. Developed by **YTO Group Corporation**, this is the nation’s first tractor powered by a **hydrogen fuel cell**, supported by **electric drivetrains** and controlled via **5G connectivity**. The ET504-H is fully autonomous, using GPS, AI, millimeter-wave radar, and real-time environmental data to navigate and operate without a driver. It’s designed to perfo