while the national government is responsible for structural energy policies to transform the energy mix by creating a market environment in favour of cleaner energy sources large cities like hai phong can contribute to national goals by piloting renewable energy options promoting greener products and energy efficient buildings in addition to improving energy efficiency in industry many local energy policies can create cobenefits such as reduced air pollution and improved traffic congestion which correlate effectively with local actions to increase the proportion of its energy sourced from sustainable sources use of biomass electricity is expected to rise from in to in city of hai phong