Full tank of gas doesn't correlate with distance to empty reading

Why don't gas gauges accurately reflect the amount of gas in the tank of a car? - Quora

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Why would my fuel tank miles to empty indicator show a reduced capacity than what it originally read, i.e., from a 340-mile tank to a 270-mile tank when completely full of gas

How Far Can You Drive On An Empty Fuel Tank?

BMW fuel consumption readout correction in trip computer

Do all U.S. cars have a 'reserve' after the gas gauge reads empty? Is there a standard? - Quora

How Far Can You Drive on an Empty Tank of Gas? Plus Tips - In The Garage with

References - George E King Petroleum Engineering Oil and Gas

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