Shane, I'm at a loss to replicate what you indicate I should see. I'm using a refurb 720; when I zoom out, the box size stays the same. I don't think there's an orange there; if some of the boxes are green, they're an extremely dark green. It's possible that there simply isn't enough difference between the red and the orange to distinguish them.
The black boxes are where the cheapest fuels are offered.
I don't see this as a show-stopper for me. It would be nice if it worked, but only nice, not mandatory.