Stop press: Authorities confirmed today that the motives of so-called 'fanatics' accused of pelting TC cars with oranges had become clear. These 'fanatics' were not intent in causing any damage, but were in fact setting out to 'polish up' the chrome on these cars.
'Lemon Juice - I’m not sure why lemons clean chrome so well but I think it must have something to do with the citric acid. You can buy a bottle of lemon juice at the grocery store. Drench a cloth with the juice and rub the chrome until clean.' http://organiccleanup.com/