Gas took a dip to start this short week after the long weekend. Cochrane prices dipped to 107.9 cents per litre, according to GasBuddy.com. To find prices a bit cheaper closer the Bearspaw Centex is selling gas at 102.9 cents per litre and the Petro-Canada on Highway 1 is listed at 103.9 cents per litre. Calgary prices are between 99.9 cents per litre and 102.9 cents per litre fr the most part today.