Coal-fired pizza in an Arizona chain and one more in Las Vegas. The growing popularity of coal-fired pizza in the 2010s was identified as a major market for anthracite coal suppliers, most of whom are in Pennsylvania's Coal Region, who generally see a declining market due to alternate industrial and home heating fuel sources. Concerns have been raised about particulates, sulfur dioxide and CO emissions from coal-fired pizza ovens. Coal-fired pizza Coal-fired pizza is a pizza style in the United States. New York-style pizza and New Haven-style pizza are often cooked in coal-fired pizza ovens. A coal-fired oven can reach and cook
Coal molten metal. Scrap steel can be recycled in an electric arc furnace; and an alternative to making iron by smelting is direct reduced iron, where any carbonaceous fuel can be used to make sponge or pelletised iron. To lessen carbon dioxide emissions in future hydrogen might be used as the reducing agent and biomass or waste as the source of carbon. Coal gasification, as part of an integrated gasification combined cycle (IGCC) coal-fired power station, is used to produce syngas, a mixture of carbon monoxide (CO) and the hydrogen (H) gas to fire gas turbines to produce electricity. Syngas can