Advertisement AdvertisementAdvertisement AdvertisementHowever, the reintroduction of the tax will add 10 cents per litre of gas and four cents per litre of diesel as of Sept. 8. "The poll shows Canadians in every demographic oppose Prime Minister Mark Carney's plan to crank federal gas taxes back up next month," said Franco Terrazzano, CTF's federal director. "Carney needs to listen to Canadians and confirm that he will not be hiking gas taxes in September." The CTF separately published its Gas Tax Honesty Report last month, pointing out the provincial components of gas taxes, and comparing prices and levies across the country. Manitobans pay just 17 per cent tax on their gas, with Alberta and Saskatchewan at 18 per cent.