Paragraph 2
Michelin is using the
technology of sails on the most
problem the world faces today - climate
. Boats have used sails for 5,000 years. The new sails are
. Sailors fill the sails with
to get them to their full size. The sails can be lowered
if a ship needs to sail under a bridge. The sails are 280 square metres in
. Michelin hopes to start making and selling
in 2022. A company spokesperson said: "Our aim is to contribute to the de-carbonization of
transport." He added that the good thing about
is that it is a free fuel.
