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Eco Factor: Photo-bioreactor made from recycled water bottles.

Using algae to develop biofuel is not a new thing, and researchers have previously made some bioreactors in which the process takes place. However, a new demonstration at Instructables does show how one can make an algae bioreactor using nothing other than recycled plastic bottles. The photo-bioreactor uses algae to convert carbon dioxide and sunlight into energy, which is produced in the form of algae biomass. This biomass is extracted and used to develop carbon neutral biofuel. Head over to Instructables for the DIY details.

Via: Make

We are getting plenty of ‘World’s first’ since the past few days here. Only last weekend had we seen the plans for world’s largest solar power plant in Arizona be unveiled and also the world’s first Trans-Pacific Wave powered boat trip. Now we have the world’s first commercial flight on biofuel. I guess these are exciting days for those who have clamored for greener energy sources since long. The list is quite impressive indeed- Solar Energy, Wave Energy and now Biofuel. I suppose every industry and every economic sector is trying its best to move forward on the green path.

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‘Racing round the world for a better planet’; that’s the slogan they are using for Earthrace. It’s a sleek, silver, 78-foot speedboat painted with a tattoo design. Earthrace
is not your standard petrol-guzzling powerboat. Its jaw-dropping looks have already earned it the unofficial mantle of the world’s coolest boat, but it is also one of the greens. Fuelled by bio-diesel and made with environmentally friendly products, it has on-board recycling and all its carbon emissions are offset. But forget images of sandal-wearing sailors and lentil soup. This boat’s performance in the water is what turns the petrol heads on. With its 13,000-litre fuel tanks it can travel halfway round the world at speeds of up to 40 knots. The boat cuts through the water rather than over the waves.

Check out this new offer-It is open to anyone. Just turn up at any of its ports of call, pay £3.50 and you’ll get a full tour of the boat with one of the crew. For less than £30 you get a rip-roaring journey out at sea or, for the ultimate adventure, you can fork out £5,000 to join the four-man crew during one of the 12 legs of the actual race. . Thanks for the images Earthrace.