Good one. I also liked this story from the British Rail website:

Police launch ‘smelly food’ crackdown

British Transport Police is cracking down on commuters who eat smelly food on trains, the force announced.

As part of new anti-social behaviour legislation, those caught eating offensive food items while travelling “could face a penalty fare of up to £2,000”.

Inspector Pete Pong said: “Stinky food has been a long-standing contentious issue on Britain’s rail network and I am pleased we could respond to the public’s concerns and work to stamp out this very pressing problem.”