Scrubbers have been blamed for a lot in the past several months, with focus usually on the wash water they emit and whether or not it pollutes oceans beyond scientifically acceptable boundaries.

But now there could be a new menace: scrubbers may be hazardous to mergers.

That is right, mergers. The kind that happen on those rare occasions when shipowners decide they might be better off placing personal interests aside for the sake of a larger, stronger company.