> Many parts of London are "smoke control zones", and there are already strict rules about what you can or can't burn. Since London has already banned some burn

> Many parts of London are "smoke control zones", and there are already strict rules about what you can or can't burn. Since London has already banned some burning fuel it's easy to add another type Except, of course - you can buy woodburning stoves specifically certified for use in smokeless zones by the DfE (I know, I have one). It's already prohibited to use non-certified stoves in those areas.