Back in about 2009 my brother's urban design firm in London handled a European Union funded rethink of IIRC Falmouth, which is a port in Cornwall. He explained

Back in about 2009 my brother's urban design firm in London handled a European Union funded rethink of IIRC Falmouth, which is a port in Cornwall. He explained that under EU regulations that was the last port that trans-atlantic ships were allowed to dock at to pump out bunker fuel and replace with EU-acceptable fuels for the transit further east along the channel.