August 24, 2008
We could be generating huge amounts of power from sewage. The process is fairly simple — just ferment sewage to produce a fuel called biogas. Biogas is almost entirely methane, and so is natural gas, so the two are essential interchangeable. The potential to produce biogas is almost entirely overlooked by most countries — except [...]
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July 9, 2007
The Tyee reports: Ten years ago the people of Hasselt, Belgium embarked upon a bold experiment: no more charging for bus rides. Ever since, they’ve been proving the idea can work wonderfully. This city of 70,000 residents, with 300,000 commuters from the surrounding area, has made traveling by bus easy, affordable, and efficient. Now, people [...]
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