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Soda fountains like this were hugely popular a century ago. Often located in pharmacies, they were a gathering spot during Prohibition when bars shut down. But over the past half century, their numbers fizzled, relegating soda fountains to the scrapbooks of U.S. history.

The new regulations tabled Wednesday would prevent the sale of vape products in flavours other than tobacco, cap the nicotine content to 20 milligrams per millilitre, and limit the size of capsules and refill containers.