Liquorice: Soothes the throat and supports lung health
Johns M, Farley SM, Rajulu DT, Kansagra SM, Juster HR (2015) Smoke-free parks and beaches: an interrupted time-series study of behavioural impact in New York city
Annu Rev Pharmacol Toxicol 2009;49:57-71
So the real safety advice is wonderfully mundane: stay out of the car while you fuel, touch bare metal away from the nozzle if you do get back in, and keep open flames far away, because while the cigarette in your hand probably wont light the gasoline, the lighter that lit it absolutely can
But, at least for now, its going in the right direction. The CDC is attributing the decreased numbers in the new report in part to strategies that aim to prevent and control tobacco use