Tag: Renewable Energy

Wood Gasification

A wood gasification boiler. Wood is burned in the firebox (top), and gases travel downward and are burned at 1,800 to 2,000 F in the ceramic chamber below. The hot gases then pass through a fire-tube heat exchanger to transfer heat to water stored in a large tank. Flue temperatures are usually under 350 F,

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Solar Electric Backup System

Two 150 watt solar panels mounted on hinges allow easy seasonal adjustment of their angle to the sun. They are surprisingly responsive even to low light. Mounting at ground level means easy snow removal. The frame is hinged to large landscape timbers and can slide up the side of the house in case of frost

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Innovative System High Tunnel

Rich Schuler, energy consultant with Practical Farmers of Iowa, by the insulated compost bin. Heat from composting warms water which is stored in tanks and available to heat greenhouse soil when needed. Sally Gran runs TableTop Farm, where the innovative heating system was trialed. The compost is aerated by blowing air through PVC pipes set

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Don McLean, DVM, Environmentalist

Don McLean beside his bread oven. Photo by Joyce White. By Joyce White Don McLean has been an environmentalist much longer than he has been a veterinarian. In third grade, he did his science project on pollution. “Since then I have been trying to at least reduce the negative impact of modern life on our

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Biodiesel History and Facts

Toki Oshima drawing By Ralph Turner, P.E. The benefits of biodiesel have generated considerable interest in Maine, especially in the environmental and agricultural communities. Biodiesel is chemically converted from vegetable and animal fats to be similar to diesel, but with lower regulated emissions and better health effects in most respects. Maine recently adopted a definition

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Sunflowers Fuel a Maine Dairy Farm

Sunflower seed is planted in rows 30″ apart using a tractor-mounted corn planter and cultivated several times with mid-mounted sweeps. These plants were growing at UMaine’s Rogers Farm. Rick Kersbergen photo. by Polly Shyka If the pinecone is Maine’s state flower, then the sunflower, a native, useful, generous and beautiful plant, should be the national

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Spring Growth 2008

Russ Libby, MOFGA’s executive director, opened MOFGA’s 2008 Spring Growth Conference in March by asking, “What are the implications of changing energy prices and changing climate on Maine farmers?” He acknowledged Maine Rural Partners and the Risk Management Agency for underwriting the cost of the conference. Climate Change, Species Change George Jacobson, state climatologist and

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