Before everyone gets all depressed and ready to jump because the NDP/Greens are the incoming government, keep in mind that an additional $5 per tonne carbon tax works out to about one cent per liter of gasoline.  I don't know about where you live, but here the gas price usually bounces around by at least 10 cents per liter every month.  That additional cost is  based on the basic, $30 per tonne tax costing 6.67 cents per liter as per the BC government's web site:
http://www.fin.gov.bc.ca/tbs/tp/climate/A4.htm