| http://www.w3.org/ns/prov#value | - We could soon witness crack spreads, the margin differential between crude oil and the conversion of refined products, being replaced by what I like to refer as ???pesto??? spreads, representing a new paradigm for refiners to create green fuel, or the ???green sauce??? for making fuel, by distilling garbage, plastics and biomass such as wood chips, plastics, corn husks, wood residues, straw and sw
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