As cruise terminal Helix Cruise Center is being inaugurate at Port of Barcelona, Carnival Corporation including 8 brands AIDA Cruises, Carnival Cruise Line, Costa Cruises, Cunard, Holland America Line, Princess Cruises, Seabourn and P&O Cruises (UK), announces at www.infocruceros.com that 40 % of its fleet is already adapted to plug-in the electric grid. Indeed, alternative to burning fosil fuel at berth is an option that would improve air quality at the port City. Furthermore Carnival ships lead LNG move towards using marine fuel “that significantly improves air emissions reducing Sulphur and particle matters”.
More info here.