Dover’s Lack of Cold Ironing Could Keep P&O Hybrids Running on Diesel 27 February 2023 As new ferries are to be deployed on Dover-to-Calais route this year.Author: Capt. Johnhttps://shipandbunker.com/news/emea/484674-dovers-lack-of-cold-ironing-could-keep-po-hybrids-running-on-diesel