"Trans Energy Consulting (Finland) is working with authorities in Helsinki  on the safe operation of CNG buses in indoor terminals and is interested to  hear from anyone operating CNG buses in indoor terminals elsewhere in the  world. If you have information that might assist them, please contact Nils-Olof Nylund at This e-mail address is being protected from spambots. You need JavaScript enabled to view it or +358 9 251 72360."