Paragraph 2
Michelin is using
technology on today's biggest
- climate change. Boats have used
for 5,000 years. The new sails are different. Sailors fill
with air to get them to their
size. They are 280 square metres in
. Michelin hopes to start selling them in 2022. It said: "Our
is to contribute to the de-carbonization of [sea]
." It added that the good
about wind is that it is a free
.