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Greenbox – turning vehicle exhaust fumes into fuel

Greenbox

The Greenbox, developed by three Welshmen, is designed to trap the noxious gases from vehicle exhausts and use them to process a biofuel made from algae. It’s a pretty clever idea although there are some logistical issues which will need to be worked out. For example, each Greenbox needs to be replaced each time you refuel the car, which could add up to quite a lot of boxes for high mileage drivers. Not to mention the logistical nightmare of collecting boxes from 30 million vehicles every week. Still, it’s a lovely concept, and let’s hope something comes of it. Video here. [Via Metafilter]

 Although the box the men currently use for demonstration is about the size of a bar stool, they say they can build one small enough to replace a car exhaust that will last for a full tank of petrol. The crucial aspect of the technology is that the carbon dioxide is captured and held in a secure state, said Houston. Other carbon capture technologies are much more cumbersome or energy-intensive, for example using miles of pipeline to transport the gas. “The carbon dioxide, held in its safe, inert state, can be handled, transported and released into a controlled environment with ease and a minimal amount of energy required,” Houston said at a demonstration using a diesel-powered generator at a certified UK Ministry of Transportation emissions test centre.

Red – who has written posts on The Red Ferret Journal.


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