Supply and maintenance of 10 CNG buses in Huelva, Spain May 13, 2019 | Europe Tenders Country: Spain Organisation: Empresa Municipal de Transportes Urbanos, S. A. Description: Bids are invited to supply and maintain 10 buses fuelled by compressed natural gas (CNG) on rent. The duration... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password