The cost and environmental impact of fuels for transportation, both public and private, has gained perhaps the highest profile of all sustainability issues on the global stage. Public interest requires both fuel economy and decreasing emissions in transportation. Owners of older vehicles also seek to maximize fuel efficiency and minimize emissions. Links to sustainable transportation-related sites are provided below:

• U.S. Department of Energy - Fuel Economy
• City of Downey - Downey Transit Services
• Metropolitan Transportation Authority - Getting Started on Metro, Bike Metro and Commute Services
• Tree Hugger - Top Green Car Tips
• Environmental Transportation Options - Tips