Province: During his first campaign stop in B.C., Liberal Leader Stephane Dion has said a spike of up to 13 cents on a litre of gasoline proves that Canadians need to become energy-efficient. “The trend will be up,” Dion said Friday, speaking at a housing co-operative on Burnaby Mountain. “Humanity is asking for more and more oil.” Dion said that if he’s elected into power, he will beef up the Competition Bureau powers to go after price-gouging and collusion among gasoline …