HRS §486-52
How petroleum and hydrogen fuel must be measured
This section sets the measurement rules for selling petroleum products in Hawaii. Liquid petroleum is measured in U.S. gallons or metric units, and vapor petroleum in cubic feet or gallons. Temperature-compensating meters are required only for large liquid sales. Hydrogen fuel is exempt from these rules.
businessesstate agencies
The statute, as written — Measurement standard; exemptions
(a) Any petroleum product that is in a liquid state under conditions of seven hundred sixty millimeters of Hg at sixty degrees Fahrenheit shall be measured in terms of the U.S. petroleum gallon, its multiple or decimal submultiples, or compatible units of the SI as established by rule of the board. (b) Any petroleum product that is in a vapor state under conditions of 258.575 millimeters or less of Hg at sixty degrees Fahrenheit shall be measured in terms of cubic feet or in terms of a U.S. petroleum gallon, their multiples or decimal submultiples, or compatible units of the SI as established by rule of the board. (c) Any device required to automatically compensate for temperature shall only apply to metered sales of liquid petroleum products that have a rated capacity of two hundred gallons per minute or more; provided that whenever a partial compartment or partial tank truck load is delivered, it shall be delivered through a meter that meets the requirements specified in rules adopted by the department. (d) Any hydrogen fuel product shall be exempt from this section. (e) For the purposes of this section, "hydrogen fuel" means hydrogen with a fuel index of ninety-nine per cent or higher in vapor or liquid state to be used as fuel.
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