AP Moller-Maersk's methanol fuel play is more than a matter of science and engineering.

To make its carbon-neutral vision for the up to 12 methanol-fuelled containerships on order come true, the company wants to see new policy too.

The Danish company intends to use methanol produced from biomass or carbon capture to offset emissions from methanol's use on the water, necessitating emissions be measured on a well-to-wake basis.