Transportation fuels are provided that have reduced toxics, VOC and NO.sub.x emissions, as well as, reduced sulfur content. The transportation fuels provided meet emissions reduction requirements determined by using the EPA Complex Model and for reduced sulfur. Reduction in sulfur content allows the use of components with high concentrations of olefins, while still reducing toxics, hydrocarbon (VOCs) and NO.sub.x emissions to acceptable levels.

 
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> Fractionating and further cracking a C.sub.6 fraction from a naphtha feed for propylene generation

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