Costco Gas en Costco Gets Vermont Land Permit for Gas in Colchester <p><span style="line-height: 1.5;">Efforts by the retail giant Costco to sell gasoline at its Colchester retail center are getting a boost from a Vermont district environmental commission.</span></p><p><br>On Thursday the commission issued an Act 250 land-use permit for the plan.<br><br>The permit said the three-island, 12-pump gas station could be built if Costco helps pay for traffic improvements at the nearby Interstate 89 Exit 16 and U.S. 7 interchange. Fri, 25 Jan 2013 00:45:00 +0000 Pat Bradley 56459 at