Comment by Retric

> energy per gram of fuel

That just not a metric that matters.

Fuel is north of 1c/kWh for nuclear reactors, +/- if you count various things as fuel costs, that’s inherently a big deal if you’re trying to compete with 2c/kWh solar.

> Fast reactors weren't pursued because of nuclear weapon proliferation risk

They also just have higher costs per kWh.