I see nothing wrong in burning firewood in a fireplace to stay warm on regulated days. Some people have nothing to do but look out their windows and count how many chimneys are smoking. They really need to get a life, and if it bothers them so much, then report it. Don't be a nosey, annoying neighbor like the other rude neighbors who constantly burn.
The way this world is going, the government is sucking us dry, but putting plenty in its wallet. Of course, people will rebel to save a buck or two. Everything gives us cancer in this world. You can't confine and restrict it all. How did people survive way back when? Something to think about.
Those who think it takes a tremendous amount to keep a fire burning are obviously doing it wrong, and too lazy to get up and keep warmth going.