Perhaps we'll be able to invent our way out of the Energy Crisis? Penn State announced that two of their scientists have figured out a process by which bacteria eating biomass create hydrogen for energy purposes. While the paper does not promise that this process will replace petroleum and create a global hydrogen economy to replace a petroleum economy slouching towards Peak Oil, it is useful on a number of levels, including cleaning up wastewater.

Here's a few links to the news:

Penn State press release
Penn State press photos
Science Daily coverage
Slashdot coverage, complete with gratuitous rude and vulgar fart jokes.