The topic volatility is discussed in the following articles:

gasoline engine fuel

  • TITLE: gasoline engine
    SECTION: Fuel
    ...for lamps. As the gasoline engine developed, gasoline and the engine were harmonized to attain the best possible matching of characteristics. The most important properties of gasoline are its volatility and antiknock quality. Volatility is a measure of the ease of vaporization of gasoline, which is adjusted in the production process to account for seasonal and altitude variations in the...
  • TITLE: automobile
    SECTION: Fuel
    ...are used for many trucks and buses and a few automobiles, and compressed liquefied hydrogen is being used experimentally. The most important requirements of a fuel for automobile use are proper volatility, sufficient antiknock quality, and freedom from polluting by-products of combustion. The volatility is reformulated seasonally by refiners so that sufficient gasoline vaporizes, even in...