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Go Car-Free in DC and Save More Than $10,000 A Year

A recently-published study by the American Public Transportation Association (APTA) ranks the top 20 cities where going car-free will save the most money. Number 14 on the list is Washington, DC, which has nearly 200,000 car-less households already. The APTA’s report claims that the average DC resident would save $10,282 per year in transportation-related costs …

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Biogas: Producing Ultra-Efficient Fuel From Sewage

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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