VIDEO: SEATTLE GAS WORKS PARK (Click on the photo and allow it to buffer a bit)

Apparently during the earlier part of the 20th century, many major cities had gasification plants which took organic liquids (e.g. oil) or solids (e.g. coal) and "cooked" them to make lighting / cooking gas, which was then piped to homes and businesses all over the city (much as how natural gas is delivered today). At one time, there were maybe 15,000 such gasification plants across the U.S. (Wikipedia says 1,400, but Atlas Obscura says 15,000). As electricity and natural gas became more readily available, the gasifaction plants, one by one, closed (This one operated from 1906 to 1956). All except for Seattle's were dismantled. Seattle, not being known to follow the crowd, had a better idea.

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