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Old 03-08-2011, 03:35 PM   #23 (permalink)
gone-ot walking...
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...go to the GILBARCO VEEDER-ROOT website; they manufacture gas pump systems. Look under "fuel vapor recovery" for more info about how & why the tanks "suck" back excess fuel at the pump so as to not allow it to get into the air (especially used in California).'s what EPA has to say about it (text in yellow box):

Last edited by gone-ot; 03-08-2011 at 04:41 PM..
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