1) Contactless smart card 
Bicing is the name of a bicycle sharing system in Barcelona inaugurated on March 22, 2007. It is similar to the Vélo`v service in Lyon or Vélib` in Paris, and using the same bicycles and stations as used in Stockholm, Oslo, and Zaragoza. Its purpose is to cover the small and medium daily routes within the city in a climate-friendly way, elimin.....