I suppose this is more a suggestion than a bug report, so I'm posting here.
Furnaces show coal quantity in info panel, but this is not shown for burner driller and other burner-entities (like burner inserter).
My suggestion is to add this info to all burner entities' info panel
add fuel quantity to burner entities' info panel
Moderator: ickputzdirwech
add fuel quantity to burner entities' info panel
Do you need help taking screenshots in-game? have a look to my guide to calculate screenshot dimensions
Re: add fuel quantity to burner entities' info panel
Supporting. This information in important in early game and very useful in end game for locomotives and cars.