"The whole thing is a big scandal," said Riza Cetinkaya, 24, who works in her father's grocery store in the Charlottenburg district of Berlin, where, she said, sales had dropped about 70 percent.
"They call it clean coal because they use some filters, but it is really nonsense," said Marza Marzioli of the no coal citizens group in the nearby ancient Etruscan town of Tarquinia.