It took Ardmore Shipping several years to appreciate exhaust gas scrubbers, but now the Irish product tanker owner has taken the decision to install the cleaning devices on nearly a quarter of its owned fleet in the coming year.

Ardmore announced in its fourth-quarter 2022 earnings report that it will fit scrubbers on an initial six vessels within 2023 during scheduled dry dockings at a cost of some $10m, saying the investment is expected to generate a return of roughly 60%.