State Department issues Draft Supplemental Environmental Impact Statement on Keystone XL Pipeline: climate change impacts
Green Car Congress
MARCH 2, 2013
Due to its viscosity, bitumen cannot be transported by pipeline on its own, but must be mixed with a petroleum-based diluent, such as naphtha or natural gas condensate, to make a less viscous liquid called dilbit; or it must be upgraded to a medium weight crude oil called “synthetic crude oil”. Earlier post.)
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