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lower octane gas can be sold if labeled as "sub-standard" or "sub-regular" [11] South Dakota: 85/87 87/89 91 85 octane must be sold with a warning label displayed at the pump. [12] 85 and 86 octane can be sold as regular fuel only in the counties of Butte, Custer, Fall River, Harding, Lawrence, Meade, Oglala Lakota, Pennington, and Perkins.
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. It is also usable in some aviation engines [ 1 ] and automotive engines, though it has not been thoroughly tested for cars and trucks.
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]
Octane rating is measured relative to a mixture of 2,2,4-trimethylpentane (an isomer of octane) and n-heptane. There are different conventions for expressing octane ratings, so the same physical fuel may have several different octane ratings based on the measure used. One of the best known is the research octane number (RON).
The free market did not support the expense of producing 100-octane aviation fuel in large volume, especially during the Great Depression. Iso-octane in the early development stage cost $7.9 per liter ($30/U.S. gal), and, even by 1934, it was still $0.53 per liter ($2/U.S. gal)compared to $0.048 ($0.18) for motor gasoline when the Army decided ...
Essence Atkins has nothing but love and respect for the Wayans.. In an exclusive interview with PEOPLE about her newly released BET+ original holiday film Queens of Christmas, the actress, 52 ...
MPLX produced about $4.3 billion of net cash provided by operating activities through the first nine months of last year. That covered its distribution payments of $2.6 billion by a comfortable 1. ...
Octane is a hydrocarbon and also an alkane with the chemical formula C 8 H 18, and the condensed structural formula CH 3 (CH 2) 6 CH 3. Octane has many structural isomers that differ by the location of branching in the carbon chain .