2. Do you think policy efforts should focus on increasing miles per gallon in vehicles or on reducing the total miles driven? Why?

3. What social and economic issues might follow the decline of fossil fuel production?

4. Research indicates that people are willing to tolerate wider temperature ranges if they have control over their environment. How does designing buildings that give users personal control affect energy efficiency? What are some of the tradeoffs to consider?

5. How probable is 50% of the world's energy needs will be supplied by renewable resources within the next 20 years? Explain your reasoning.

6. What are your reactions to what the German's have accomplished! Can other countries achieve their success?