It's now illegal to smoke in a car carrying children under the age of 16.
From today, drivers and passengers found committing the offence on the Isle of Man will face a £50 fine or up to a maximum fine of £5,000.
New research concludes that winding down a window, using the car fan or turning up the air-conditioning won't prevent the after effects of passive-smoking.
Eight years ago, workplaces and work vehicles became smokefree - Anita Imberger is the Island's tobacco lead, she explains why it's so important:
She says the ban will solve a widespread problem:
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