What the Saadé family is doing is a truly breathtaking "bet the company" move, and at the moment fuel prices are going against them with low-sulfur fuel oil trending down and natural gas, up. However, if it all pans out, CMA CGM will have a monster of a cost advantage.
From Offshore Energy biz:
The CMA CGM Champs Elysees has joined CMA CGM Group’s fleet as the company’s second 23,000 TEU containership powered by liquefied natural gas.
The giant vessel is a sister ship to CMA CGM’s flagship, the CMA CGM Jacques Saade, which was delivered to the French major in September.
Measuring 400 meters in length and 61 meters in width, the two ships are the world’s largest container vessels to run on LNG at the moment....MORE
If interested here is more on the Winterthur GD engines.