Bucknell University shows how it could reduce its GHG emissions significantly by switching over from a coal fired units to a cogeneration plant in 1998. The line-up is shown in a Sankey diagram.

Cogeneration Sankey (from Bucknell website)

Apart from the overall energy efficiency of 75% the Sankey diagram doesn’t show any figures. The shadow effects on the flows look funky, and add a spheric touch.

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