Well, significant part of Europe was on the eastern side of the iron curtain, getting gas from Russia. And note that in the past, home heating with coal (whic

Well, significant part of Europe was on the eastern side of the iron curtain, getting gas from Russia. And note that in the past, home heating with coal (which is available locally) was common. We gradually moved from coal to gas for heating and now also for electricity generation, and that is something that cannot be reverted over one year.