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The
Michelin makes car tyres and guide
. However, it is
helping ships to be more
friendly. It has made
sails to make shipping greener. Shipping produces 940 million
of CO2 a year - about 2.5 per cent of the world's
gasses. Oil tankers, container
and cruise ships use a lot of
fuel. The new sails could cut the
of CO2 ships produce by 20 per cent.