How you fill your tank is a master of preference only. Static techniques work out in the averages faster, but even if you pump from a diff pump, store, location, and even state/country every time, it'll still work out in the averages.
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"¿ʞɐǝɹɟ ɐ ǝɹ,noʎ uǝɥʍ 'ʇı ʇ,usı 'ʎlǝuol s,ʇı"
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