Renewables - can the USA lead the pack now?

THE USA IS SEEING A SHIFT IN ATTITUDES TO RENEWABLE ENERGY AT FEDERAL LEVEL. BUSH-ERA OIL-DOMINATED POLICIES ARE GIVING WAY TO POSITIVE ENCOURAGEMENT OF SUSTAINABLE ENERGY. BUT, TO WHAT EXTENT CAN THE US CAPITALISE ON THE ENSUING MANUFACTURING OPPORTUNITIES, ENHANCED BY RECESSION-INDUCED STIMULUS FUNDING? GEORGE MARSH REPORTS.