What happens to togglable buildings when they run out of a required resource?

When you run out of a required resource, mints and smelters simply do nothing that tick. That results in you getting benefits proportional to the resources you do have available (although the sidebar numbers won't reflect this).

Most buildings that consume resources have the same behavior, but there are some exceptions:

  • If you run out of uranium, all of your reactors will turn off
  • If you run out of oil, one magneto will turn off per tick (1/5 of a second) until your oil supply is positive again