FUEL LEAK DETECTION IN A GASEOUS FUELED TRANSPORTATION REFRIGERATION UNIT

A transport refrigeration system comprising: a prime mover configured to power a refrigeration unit; a first fuel tank fluidly connected to prime mover through a first fuel line, the first fuel tank configured to supply fuel to an inlet of prime mover from an outlet of first fuel tank through first fuel line; a first fuel flow sensor being an in-line flow meter and configured to measure a first fuel quantity exiting first fuel tank; a second fuel flow sensor being an in-line flow meter and configured to measure a second fuel quantity entering prime mover; a controller configured to compare second fuel quantity to first fuel quantity; and an alarm configured to activate when second fuel quantity is not equal to first fuel quantity.