But that didn't seem like a good solution.
Now some of the first humans
who sailed the big oceans,
the people from Polynesia,
had figured out zero-carbon
shipping by using sails,
and it is true that sails can reduce
the fuel consumption somewhat,
but it cannot deliver on the efficiency
and accuracy needed
in today's global supply chains.
Another alternative is batteries.
But for the large vessels
sailing the big oceans,
the batteries would take up 60 percent
of the capacity of the vessel.
Some shipping companies started
ordering vessels based on LNG,
liquid natural gas.
LNG is a fossil fuel,
and it will never lead
to zero-carbon shipping.
Slow steaming, sails, batteries, LNG --
none of it would make us
be carbon-neutral.
So what else?
Well, we knew we had to look
for other solutions,
and we realized we couldn't do it alone.
To help us find a solution,
our main shareholder,
the A.P. Moller Foundation,