ByGermany’s biggest utilities are working to revive their coal operations as Europe’s biggest economy turns to the dirtier fuel in a bid to reduce the use of natural gas for electricity generation.  is finalizing the procuring and transportation of coal, as also securing the space required to store the gas it saves, a spokeswoman said Thursday. is preparing for the reactivation of three lignite mines which are currently on standby, the company’s spokeswoman said.…ByGermany’s biggest utilities are working to revive their coal operations as Europe’s biggest economy turns to the dirtier fuel in a bid to reduce the use of natural gas for electricity generation.  is finalizing the procuring and transportation of coal, as also securing the space required to store the gas it saves, a spokeswoman said Thursday. is preparing for the reactivation of three lignite mines which are currently on standby, the company’s spokeswoman said.WW…