Gamesa can count on the support of US Steelworkers in the rustbelt - hardly surprising because wind turbines need a lot of steel in the towers.

The company set up its US Headquarters and a manufacturing plant in Pennsylvania. And Governor Rendell wants to go further, calling for a bold new national initiative to develop renewable sources of energy. That's as maybe but one thing is for sure - as a Democrat he will not have any trouble holding on to his governorship at these elections.