* Hybrid Engines (how they work, compare efficiency to other cars)
* Why doesn't anyone anyone address the real reason for energy problems, overpopulation?
* How things work.
* How (and how much) science influences policy
* Energy efficiency& conservation
* How efficient is solar power compared to other resources?
* Global warming, & how do Milankovich cycles affect climate?
* How fuel cells work, what fuels they use?
* Fission, fusion & solar energy