Archive for the ‘Technology’ Category

Jul28

Whiskey-powered vehicles

Scotch

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A Scottish biofuel company called Celtic Renewables has successfully demonstrated the concept of producing biobutanol – a hydrocarbon fuel that can be a direct replacement for gasoline and diesel – from whiskey-making byproducts.  They are now moving ahead to establish an industrial-scale pilot facility. (more…)

Jul24

Solar grid parity

Solar Power

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One of the most common complaints about solar power is that it is too expensive and that the only reason it gets deployed at all is by virtue of government subsidies and tax credits.  Historically, there was some amount of truth to this criticism but the times they are a-changing. (more…)

Jul23

Versatile duckweed

Alligator in Duckweed

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Duckweed is a tiny and extremely simple flowering aquatic plant that floats on or just beneath the surface of still or slow-moving bodies of fresh water.  It is an important high-protein food source for waterfowl and is even eaten by people in some places.  Duckweed is extremely fast growing and is capable of doubling its population in as little as 48 hours.  In warm climates, it can grow pretty much anywhere. (more…)

Jul22

Weed crops for a warming world

Wheat

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Rising temperatures, droughts and higher CO2 levels pose threats to the world’s food supply.  Grains like wheat and rice have been bred for centuries for productivity but are not well suited to a changing climate. (more…)

Jul21

Renewables changing of the guard

Niagara Falls Hydro Plant

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For well over a century, the primary source of renewable energy in the United States has been hydroelectric power. Hydro plants produce over 6% of the country’s electricity.  In places like New York State, home of Niagara Falls, the percentage is much higher. (more…)

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