January 10, 2010

Energy

New wind power for ships

The world’s first cargo ship to be powered with high altitude kite-like sails tethered on lines 100 metres in the air was “Theseus,” last year.

SkySails cannot power a ship unaided, but it can reduce the amount of power needed by up to 80 percent, without any additional crew or technology.

The “Theseus” is one of three new Rhine class ships being built for Wessels at the Komarno shipyard in Slovakia. It is 90 meters long, has a capacity of some 3,700 dwt and a MaK main engine that produces 1,500 kW of power. A 160 m² SkySails propulsion system works to relieve the main engine of the “Theseus” the same way it does on board the “Michael A.”

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7 green building trends for 2010

From web-based displays that track energy usage in real time, to the downsizing of the American home, here are the key trends that will affect the way we build new homes in 2010.

1)      “Rightsizing” of homes. A larger home no longer translates into greater equity. Given that the forecast for home valuation remains conservative, that energy prices are expected to rise over time, and the US Federal Reserve is expected to raise interest rates mid-year, homeowners will likely feel more

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