California ICC UST Service Technician Practice Exam

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Motor vehicle fuel tanks include the following except?

  1. Diesel fuel tanks

  2. Gasoline tanks

  3. Waste oil tanks

  4. Compressed natural gas tanks

The correct answer is: Waste oil tanks

Motor vehicle fuel tanks are specifically designed to store fuels that are used to power vehicles. Diesel fuel tanks and gasoline tanks are types of motor vehicle fuel tanks, as they hold fuels commonly used in standard vehicles. Compressed natural gas tanks are also classified as motor vehicle fuel tanks because they supply a type of fuel used in some vehicles designed to run on compressed natural gas. Waste oil tanks, however, are primarily used for storing used oil that is not intended for power generation in motor vehicles. The function of waste oil tanks is to collect and store oil that has already been used and cannot be utilized as a fuel source. They are part of waste management systems rather than the operational systems of vehicles. This distinction highlights why waste oil tanks are not included among the categories of fuel tanks that are directly related to motor vehicle operation.