French eco tax mobilises new generation of Breton red caps | World news | The Guardian: But Troadec is not stopping with the campaign to abolish the eco tax. He is pressing for the transfer of real economic clout to Brittany. “We want devolution like you have in the UK. France is the most centralised state in Europe,” he says. Although there is a regional parliament which sits in Rennes, “we have no institutional power over our own economy or culture”.