ALTERNATIVE FUEL SOURCE: Can we use the Algae in Chinese waters to develop carbon-based fuels?

Has anyone seen the news broadcast about the massive tons of Algae floating in Chinese waters, and how many volunteers are helping to remove it, for the Summer Olympics in Beijing?
I wonder if any of this could be used to develop alternative fuels in addition to ethanol-based gasoline. Some countries are already using sugar-based [...]

What are some new and potentially useful alternative energy sources?

I’m looking for something besides the usual fuel cells, solar collectors, photovoltaic cells, waste-to-energy, hydro-electric, etc. I think I read somewhere about harnessing body heat for energy. Anyone know anything about that or can give me some links on that or on other developing technologies for alternative sources of energy away from gasoline [...]

What are the potential alternative energy solution that we can use to replace gasoline in the long run?

This may sound ridiculous at this moment but we may need to face it sometime in the future , so what kind of alternative energy sources that we can tap into before we run out of gasoline? Do you think the oil companies or some other major corporations should really invest in such energy development [...]