This may create a problem because peppermint, with its menthol and derivatives, is an effective digestive aid whereas spearmint, which contains mainly carvone, is not.

We also provide menthol balm, cold water and places for them to sleep, but some drivers have complained the balm is not effective enough for them.

It will outlaw flavoured tobacco (except for menthol), which some claim lures children, and bar tobacco advertisements from appearing near schools.