My truck is powered by nonsense and I have a limitless supply.
I used to have one of those until I drove inside the Washington beltway. It accelerated to 200 mph and then the engine caught fire.
That leaves the unspeakablenukes.
Nukes aren't just speakable, they're buildable. That new Arreva commercial makes them seem almost trendy.
If you build it (network of new nukes), they (hydro cars) will come.