Standardization of ship types entering inland rivers. Improve the compulsory scrapping system for old ships. propulsionfor shipshybrid Research and development and application of energy, alternative energy technologies and solar energy, wind energy, natural gas, heat pumps and other ship life energy technologies. Gradually promote the utilization of liquefied natural gas and new energy in qualified ports, and actively promote the use of shore power for ships at ports. Strengthen the low-carbon transformation and operation management of ports and terminals. In 2020, carbon dioxide emissions per unit of passenger and cargo turnover will be reduced by 13% compared with 2010. Air transport. Improve the air traffic network and optimize the fleet structure. Actively promote aviation Use of biofuels and accelerate the application of fuel-saving technologies and measures. Strengthen airport low-carbon transformation and