A blend of natural gas liquids (pentanes plus), ethanol, and the biomass-derived co-solvent methyltetrahydrofuran (MeTHF). P-Series fuels are clear, colorless, 89-93 octane, liquid blends that are formulated to be used in flexible fuel vehicles (FFVs). P-Series fuel can be used alone or freely mixed with gasoline in any proportion inside an FFV fuel tank. Currently, P-Series is not being produced in large quantities and is not widely used.  P-Series is the only fuel to be added to the list of authorized alternative fuels under the Energy Policy Act of 1992 (EPAct).

A gas whose molecules are composed of three carbon and eight hydrogen atoms. Propane is present in most natural gas in the United States, and is refined from crude petroleum. Propane contains about 2,500 Btu per standard cubic foot. Propane is the principal constituent in liquified petroleum gas (LPG).

A system designed to deliver natural gas to fueling stations. Such systems are usually configured as tube trailers and are mobile. Fuel delivery usually occurs via over-the-road vehicles.

This is another term for the Load Controller and refers to the electronic device that totally controls the skid metering system from the pump activation for fuel flow to the final reporting of the metered fuel for accounting and billing.

The phenomenon of a separation of a liquid or vapor into two or more physically distinct and mechanically separable portions or layers.



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