CALGARY — Gasoline prices are coming down in Canada as the consumer carbon charge drops to zilch from 17.6 cents per litre, but motorists had yet to feel the full impact of the change on Tuesday.

Up to 30 cm of snow could hit parts of Ontario to start the week, followed by some of the coldest April temperatures in nearly a decade. Meteorologist Kevin MacKay has the chilly details.

Federal party leaders are prepared to finish the second week of the federal election campaign with events in Nova Scotia and British Columbia.