A presentation by ILSR Senior Researcher John Farrell explores how decentralized biogas production could provide a key piece of the future, renewable electricity system. Given Oct. 29, 2012, in St. Louis to the Biocycle Annual Conference. The Missing Piece in Clean Local Energy from John Farrell Continue reading
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A new rooftop solar collector can provide thermal energy rather than producing hot water or electricity for space heating and cooling. With inexpensive fresnel reflectors to concentrate sunlight, the Chromasun could prove an interesting way to use distributed solar thermal energy for more than just hot water.
The unit produces temperatures up to 220 Celsius and promises to use less roofspace than comparable systems using solar PV.
Now, what will it cost?