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  2. List of U.S. states by standard octane ratings - Wikipedia

    en.wikipedia.org/wiki/List_of_U.S._states_by...

    Premium gas must be at least 93 octane if it contains 10% or more of ethanol Maryland: 87 89 93 Massachusetts: 87 89 93 Michigan: 87 89 93 85 and 86 octane may be sold if labeled as subregular [6] Minnesota: 87 89 91 110 octane fuel may be available at certain locations in southern parts of the state. Mississippi: 87 89 93 Missouri: 87 89 91/93

  3. Pack-year - Wikipedia

    en.wikipedia.org/wiki/Pack-year

    For example: a person who has smoked 15 cigarettes a day for 40 years has a (15/20) x 40 = 30 pack-year smoking history. One pack-year is smoking 20 cigarettes a day for one year. If someone has smoked 10 cigarettes a day for 6 years they would have a 3 pack-year history. Someone who has smoked 40 cigarettes (2 packs) daily for 20 years has a ...

  4. Octane rating - Wikipedia

    en.wikipedia.org/wiki/Octane_rating

    Octane isomers such as n-octane and 2,3,3-trimethylpentane have an octane rating of -20 and 106.1, respectively (RON measurement). [89] The large differences between the octane ratings for the isomers show that the compound octane itself is clearly not the only factor that determines octane ratings, especially for commercial fuels consist of a ...

  5. Smoking costs $1 trillion, soon to kill 8 million a year: study

    www.aol.com/news/2017-01-09-smoking-costs-1...

    A study by the World Health Organization and the U.S. National Cancer Institute published on Tuesday revealed alarming statistics about smoking. Smoking costs $1 trillion, soon to kill 8 million a ...

  6. Adult cigarette smoking fell to all-time low in first year of ...

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  7. Gasoline - Wikipedia

    en.wikipedia.org/wiki/Gasoline

    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).

  8. Griselda viewers ‘irked’ by distracting Sofia Vergara detail ...

    www.aol.com/griselda-viewers-marvel-over-sofia...

    Subscribers are all pointing out the same thing about new streaming hit

  9. Octane - Wikipedia

    en.wikipedia.org/wiki/Octane

    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 .