If smokers try to vape outside of those areas, airport security is required to punish them with a civil penalty, for example in the USA there is an average fine of $250
The term starch as used herein refers to a naturally abundant nutrient carbohydrate, (C 6 H 10 O 5 )n, found chiefly in the seeds, fruits, tubers, roots, and stem pith of plants, notably in corn, potatoes, wheat, and rice, and varying widely in appearance according to source but commonly prepared as a white amorphous tasteless powder
Pickard doubts it
The parliament, under intense lobbying from the tobacco industry, took a more liberal line than the European commission, which proposed that e-cigarettes be legislated for in the same way as pharmaceuticals