![MMC UAV Hydrone Griflion H Drone](https://d2cdo4blch85n8.cloudfront.net/wp-content/uploads/2019/10/MMC-UAV-Hydrone-Griflion-H-Drone-Featured-image.jpg)
MMC UAV Unveiled Hydrogen-powered Drone That Has A 15-Hour Flight Time
We all know that jet engine-powered UAVs, such as the Predator Drone, are more than capable of making in excess of a thousand kilometers (over 750 miles) range, but it is never the same for “clean energy powered” drones. Well, that’s until recently.