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Bituminous coals and lignites reached the highest share of the global fuel con-
sumption, at about 55% of the total, during the century’s second decade. Even
though coal’s importance declined to less than 50% of all fuel energies by the late

Author: rogerglewis

https://about.me/rogerlewis Looking for a Job either in Sweden or UK. Freelance, startups, will turń my hand to anything.

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