Topic 1: Transportation
Smart and Intelligent Transportation
Transportation Technology
Intelligent Control of Traffic Information
Traffic detection and data monitoring
Computer simulation control
Intelligent positioning and navigation
Driver, passenger support systems, and aviation
Transportation projects related to navigation, waterways, railways, road bridges, tunnels, etc
Topic 2: Low carbon Development and Technology
Clean energy, nuclear power, and natural gas
Renewable energy, wind energy, solar energy, biomass energy
Water pollution control projects, carbon emissions, and haze pollution
New energy vehicles, hybrid electric vehicles
Pure electric vehicles, hydrogen fuel cell vehicles
Ethanol fuel vehicles, biodiesel vehicles, natural gas vehicles
Afforestation, water-saving agriculture, organic agriculture
Sustainable development of ecological resources
Industrial Structure and Technology and Energy Conservation
Green services, low-carbon logistics, intelligent information technology
Green consumption, industrial management, and energy conservation
Green collaborative innovation and green development model
Topic Three: Clean Energy
Renewable energy technologies and systems
Renewable energy storage technology
energy efficiency 
Solar thermal energy
Solar powered seawater desalination
Solar Materials
Photovoltaic and wind energy technology
Hydrogen energy production
Hydrogen storage
fuel cell
Biomass and biofuels
Waste to energy conversion
nuclear energy
energy management
Energy Security and Clean Utilization
Energy Management Control System
Bioenergy
passive solar building 
Sustainable architecture
Energy and Architecture
Economic feasibility of renewable energy systems