The Japanese military has developed hydrogen powered tanks. These are less noisy (a huge asset if you ask me). Their engines have a better overall performance. The newer tanks are more maneuverable than diesel-engine tanks and 21st century Hydrogen powered tanks will be easier to refuel then the tanks running on conventional fuels.
https://www.yahoo.com/news/hyundai-unvei...04861.html
https://www.yahoo.com/news/hyundai-unvei...04861.html
![[Image: 7151bc275de2d3d422106a4008215efe.jpg]](https://i.pinimg.com/originals/71/51/bc/7151bc275de2d3d422106a4008215efe.jpg)