There are several companies working on fusion designs that can capture electricity directly, such as dense plasma focus, and some of these devices fit inside a

There are several companies working on fusion designs that can capture electricity directly, such as dense plasma focus, and some of these devices fit inside a shed. If successful, they could be used for trains, ships, spacecraft, as well as base power. Personally, I wish the huge tokamak and laser designs would get less funding because I also question their economics.