The Algae Biomass Summit is taking place in Seattle, a mere 17 miles west of my home. While oil reserves are limited, and getting more expensive all the time, many scientists think that future will bring cheap sustainable fuels made from algae, harnessing the energy of the sun to create fuel.

Scientific American writes about algal fuels and has a video of bubbling algae in their blog: Pond Scum provides the fuel of the future?