1. Social-scientific issues

• greenhouse gases are released from burning of oil fuels in motor vehicles

2. Application of green technology

• Green transportation has minimum impact on the environment by emit low greenhouse gas emission
• Examples of green transportation
  • carpool
  • service vehicle
  • public transport
  • bicycle
  • walking
• Alternative fuels
  • biodiesel
  • electrical energy
  • hydrogen
  • compressed natural gas
  • liquefied natural gas
  • dimethy ether

3. Importance of green transportation

• reduce air pollution
• increase the quality of health and lifestyle
• reduce heavy traffic 
• reduce usage of petroleum
• saves money