Quote:
Originally Posted by Daox
IMO the temperature difference is so tiny it won't matter in the least bit. Basically, the theory is that during the day it gets warmer, so the gas you pump into your tank is warmer and less dense.
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I'm pretty sure gas pumps use mass flow rather that volume when they meter out gas. You are probably right about minor variations in volume with changes in temperature, but they are variations nontheless.
Then again, many pumps are probably calibrated incorrectly (unintentionally or intentionally)...
- LostCause