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For the total United States during 2017, the average retail price differential between regular and premium gasoline averaged 0.53 dollars per gallon ($/gal). In PADDs 1, 2, 3, and 4, the current differential is approximately double what it was in 2010 and 2011 (0.50 $/gal - 0.55 $/gal versus 0.20 $/gal - 0.30 $/gal).
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Between 2010 and 2017, the U.S. average retail price difference between premium gasoline and regular gasoline doubled, from approximately $0.25 per gallon (gal) to $0.50/gal. However, in the 15 years before that period, from 1995 and 2010, the U.S. average premium to regular price spread increased $0.05/gal.
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- Introduction
- Executive Summary
- Phase 1: Analysis of Gasoline Octane Costs
- Phase 2: Future Gasoline Octane Scenarios
In 2017, the U.S. average retail premium gasoline price was $0.50 per gallon (gal) more than the price of regular gasoline. The difference between premium gasoline and regular gasoline prices began to increase in approximately 2010. The cause of this price spread may be the result of a change in U.S. refinery operations or retail gasoline pricing d...
In the United States, since approximately 2010, the price difference between regular gasoline with an octane rating, or Anti–Knock Index (AKI), of 87, and premium gasoline with an AKI of 91 has been increasing. Between 2010 and 2017, the U.S. average retail price difference between premium gasoline and regular gasoline doubled, from approximately $...
This section examines the possible causes for the increasing premium–to–regular price spread related to the production of motor gasoline and its components at refineries in the United States. To that end, EIA retained Baker & O’Brien to analyze the factors and conditions at refineries that could result in the increasing spread. Baker & O’Brien’s an...
In Phase 2, Baker & O’Brien analyzed whether or not the U.S. domestic refining industry would be capable of meeting higher octane demand if the octane requirements for retail gasoline increased. The scenario assumes that, beginning with model year 2023, all light–duty vehicles in the United States will require a minimum 95 research octane number (R...
Nov 17, 2022 · This iso-octane has been assigned the reference value of 100 for testing purposes. The extremely unstable normal heptane (C 7 H 16) molecule is the 0 octane reference fuel. How does the octane level affect my vehicle? Engines are designed to burn fuel in a controlled combustion. A flame starts at the spark plug and burns throughout the cylinder ...
Mar 11, 2023 · Premium fuel usually costs an average of $.50 more per gallon than regular. That is no small fee, especially when gas prices get into that $3-4 range. However, MotorTrend recently tested using premium gasoline in a 2023 Mazda CX-50 turbo to see if it actually made more horsepower.
- Peter Corn
- Staff Writer
Jun 28, 2017 · There’s a gas station by the Orlando airport charging $4.50 per gallon, or more than double what regular 87 octane costs in Florida, probably because it’s close to the rental-car return.
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