In the U . S . gasoline is described in terms of its " pump octane ", which is the mean of their " RON " ( Research Octane Number ) and " MON " ( Motor Octane Number ).
32.
In odd moments, when Jason Danieley is standing at the edge of the stage at the Gershwin Theater, belting forth one of Leonard Bernstein's high-octane numbers in the latest incarnation of " Candide, " the actor half expects to hear the clink of cutlery from the black void before him.
33.
The octane rating of gasoline is measured in a test engine and is defined by comparison with the mixture of 2, 2, 4-trimethylpentane ( iso-octane ) and heptane that would have the same anti-knocking capacity as the fuel under test : the percentage, by volume, of 2, 2, 4-trimethylpentane in that mixture is the octane number of the fuel.
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The teams usually abide by this rule, but in 1997, Mika H�kkinen was stripped of his third-place finish at Spa-Francorchamps in Belgium after the FIA determined that his fuel was not the correct formula, as well as in 1976, both McLaren and Penske cars were forced to the rear of the Italian Grand Prix after octane number of the mixture was found to be too high.
