Gasoline specification changes and price effects
While the vernal equinox on March 20th marks the first official day of spring, the transition from winter-grade gasoline to spring-grade gasoline, an intermediate step in the shift to summer-grade gasoline, began much earlier. The transition occurs along the gasoline supply chain, from refineries to retail outlets, and affects spot, wholesale and retail gasoline prices because the cost to manufacture spring and summer-grade gasoline is higher than the cost to manufacture gasoline used in the winter.
Federal and state environmental regulations specify the properties of finished gasoline that can be sold at retail stations across the United States. Many specifications, like octane rating, remain constant from season to season. However, Reid Vapor Pressure (RVP), a measure of how easily petr
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Submitted Mar 26, 2015 By: