1. They get what the vote for
2. Never heard of a COAL fired pizza oven
https://giordanos.com/wood-vs-coal-pizza-ovens/
Although wood-fired ovens have gained a lot of attention in recent years, those who prefer coal pizza ovens stand fast in the assertion that their cooking method is best. Most would say it comes down to personal preference. Some would even dare say there’s really no difference, but that’s simply not true.
If we’re going to decide which pizza style is best – wood vs. coal – then we need to explore the nitty-gritty details and answer the tough questions:
It’s a northeast thing.
Sally’s in New Haven has a coal fired oven burning since the 1930s. It is part of what makes Sally’s Apizza Sally’s. There is no scent or aroma better for the soul than great pizza cooked in a coal oven. Hickory smoked ribs are second place.
Renders a different taste.
They definitely exist and some small mom and pop shops exclusively use them.