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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.
Brighton, MI Sunoco Price sign advertising availability of Rec-90 Gasoline. REC-90 is an ethanol-free, 90 octane unleaded gasoline blend designed for use in recreational/marine engines which can be damaged by the ethanol found in other gasoline blends.
The octane rating of aviation gasoline was extremely important in determining aero engine performance in the aircraft of World War II. [3] The octane rating affected not only the performance of the gasoline, but also its versatility; the higher octane fuel allowed a wider range of lean to rich operating conditions. [3]
The price of regular unleaded gas on average was $3.063 per gallon on Tuesday, down from $3.183 a month ago and $3.313 a year ago, according to AAA. This story has been updated with new information.
Around the same time frame, Thorntons rolled out Unleaded15 fuel which provides an octane rating of 88 and contains approximately 15% ethanol. Certain Thorntons locations also offer E85. [3] In 2019, Thorntons was acquired by a joint venture between Arclight Capital Partners and BP. [4]
The fuel-characteristics of a particular gasoline-blend, which will resist igniting too early are measured as the octane rating of the fuel blend. Gasoline blends with stable octane ratings are produced in several fuel-grades for various types of motors. A low octane rated fuel may cause engine knocking and reduced efficiency in reciprocating ...
An increase in demand has occurred since 2010, as a result of lower prices relative to gasoline and diesel fuel and improved technology. In 2014, it is estimated that the number of auto propane vehicles on the road in Canada is between 25,000 – 50,000 and the number of fuelling stations is 2,000.
The previously obtainable higher grade V-Power Racing which contained 5% ethanol to boost V-Power's octane rating to 100 RON has now been phased out by Shell due to a "changing market". In the United States, in around 2004, all Shell "Premium" gas was rebranded as "V-Power". In 2015, Shell re-branded V-Power to the newly launched V-Power Nitro+ ...