School bus

Once the kids were buckled into their seats and the cabin door was closed, Nour started the rover. It ran on an internal combustion engine burning methane, a fuel that was made on Mars from the water and atmospheric gases available. Most of the kids had never been in a rover, and the vibration of this engine was unlike anything they had experienced.

From Water: Generation Mars, Book Three. Available now at

Image: public domain (,_Utah_c_1912.jpg) with a few added tweaks