New York-listed Danaos has said it is "proud" of reducing CO2 emissions by 41.5% in 2019, compared to 2008.
This means it has achieved the IMO's target of a 40% cut by 2030. The next step is a 50% figure by 2050.
The Greek containership owner said it has increased the carrying capacity of its fleet over the last 12 years.
