In three years Maersk Line says it has saved almost USD 90 million in energy costs by measuring the performance of individual vessels, thus raising awareness on consumption. Other business units are to follow suit. Maersk KPIs, Key Performance Indicators, have for years been a way of measuring how well one did in the past year. Since 2009 however, KPIs have also made their way on to the vessels in a mission to boost performance. The vessel KPIs have evolved in a close dialogue between the vessels…