Fast Fill vs Slow Fill....Home Refueling Options

When we use a CNG refueling station, the gas is pumped into the tank at a rapid pace so that we don't spend all day at the pump.  This is known as a "fast fill".  We have previously learned that due to temperature changes creating volume changes that there is a decrease in pressure once the CNG is pumped into the tank to 3,600 psi.  This makes the fast fill less efficient in achieving the goal of getting the most CNG into the tank per fill.  As a result, we end up filling up with greater frequency which is a hassle as well as more expensive in that we burn unnecessary fuel going to and from the pump.