US Environmental Protection Agency
Epa: Potential Changes in Emissions Due to Improvements in Travel Efficiency
An 84-page report from 2011 that addresses the issue of whether changes can be made in transportation to increase travel efficiency and reduce greenhouse gas emissions that contribute to climate change. Includes many tables and graphs...
Energy for Sustainable Development
Esd Bulgaria: Kids & Energy: Energy Facts
A collection of facts about energy use broken down into various topic areas, e.g., health impact of fossil fuels, transportation, energy consumption, alternative energies, etc.