The Daily Sprout

UK Institutes Biofuels Mandate: Starting today, fuel in Britain must contain a minimum of 2.5 percent biofuels as part of the Renewable Transport Fuel Obligation which will ratchet that number up to 5 percent by 2010 – Celsias.

MakeMeSustainable Blog: MakeMeSustainable gives a few thoughts on green social networks and what they actually thought of our top 10 post, – MakeMeSustainable.

“How to Green Your Investments”: From simply reducing your financial paper trail to investing in eco-conscious ventures, Grist has a level-by-level guide to go green for the green – Grist.

Four Spanish Solar Power Plants Sold for €87M: German solar modular maker Solon AG has done a deal for four solar power plants in Spain with Meinl International Power Ltd. for €87 million – CNNMoney.

“Plug and Play PV”: Melkin Corporation has released a 500 watt solar array with an embedded inverter and a standard three-pronged output cable allowing anyone to just put it out in the sun and then plug it into their home for just $5K – Cleantechblog.

Solar Spheres Are Efficient, Look Like Dippin’ Dots: Researchers at the University of Washington working with dye-sensitized solar cells, the poor man’s PV, have doubled the efficiency of the technology by using a “popcorn ball” design that gives them 1,000 square feet of surface per gram of material – Science Daily.

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