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  1. Oct 2023
    1. emissions of sulfur dioxide totaled 24.1 million tons in the United States

      It is so crazy to know that 66% of this came from electric power companies and the other 22% from industrial plants and how smelting of metals can produce a lot of sulfur dioxide which I really didn't know.

    1. Biomass or waste plant parts may also be used as a source of fuel. In some areas solid waste incinerators are also used as a source of heat.

      I know there are different types of biomass sources like wood, trash, animal manure, and sewage.