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Analysis of Octane Costs: November 28, 2018 Introduction. 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.
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 $0.05/gal.
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For the total United States during 2017, the average retail price differential between regular and premium gasoline averaged 0.53 dollars per gallon ($/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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0.832 kilograms per litre (6.943 pounds per US gallon) 0.745 kilograms per litre (6.217 pounds per US gallon) Net heating value: 43.1 Megajoules per kilogram: 43.2 Megajoules per kilogram: Volumetric energy density: 35.86 Megajoules per litre 128,700 British Thermal Unit per US gallon. 32.18 Megajoules per litre 115,500 British Thermal Unit per ...
Nov 17, 2022 · The higher an octane number, the more stable the fuel. Retail gasoline stations in the United States sell three main grades of gasoline based on the octane level: Regular (the lowest octane fuel–generally 87) Midgrade (the middle range octane fuel–generally 89–90) Premium (the highest octane fuel–generally 91–94)
Oct 21, 2022 · The “base” grade of gas in the United States (regular – ~87) is typically equivalent to the base level in other countries, e.g. here in New Zealand it would be equivalent to regular 91. Therefore, if you’ve imported a JDM car into the United States that requires 95 petrol, that roughly equates to premium/91 for the American market.
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In the United States and Canada, octane ratings are in AKI, commonly shown as "(R+M)/2". All states require gas pumps to be labeled with the correct octane level and nearly all states do regular testing to make sure gas stations are in compliance. A minimum 82 octane fuel is recommended for most vehicles produced since 1984.
