Diana Shipping does not consider buying exhaust gas scrubbers to meet IMO 2020 compliance a safe bet for the money.

"Why not buy a windmill or a real estate plot of land somewhere?" chief strategy officer Ioannis Zafirakis said during today's third-quarter earnings call with analysts.

He said shipowners who consider buying the devices costing at least $2m each need to look closely at the exact costs and expected returns.