Negative.
You can purchase fuel management software that will make a diesel pickup blow black smoke in quantities that would make a steam engine blush.
Not that there's anything wrong with that.
Being a penny-pincher, all I see is unburned carbon pouring out the stack. When I was in the coal burning business, we went to incredible lengths to make sure there was the absolute amount of unburned carbon in the fly ash. That’s the engineer in me.