Posts Tagged ‘efficiency’

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40% less power, 80% less food waste and 99% less water usage than outdoor fields (link)

Toyota-Fuel-Cell-Vehicle-edited

In an astounding move, Toyota is allowing competitors to develop fuel cell vehicles using their patents.

Toyota frees FCV patents to open door for rivals to expand market

““We cannot create a society that fully utilizes hydrogen energy unless many companies participate in its technological development,” Toyoda told reporters on Jan. 6.'”

largeherds

 

The calculations showed that the biggest culprit, by far, is beef. That was no surprise, say Milo and Shepon. The surprise was in the size of the gap: In total, eating beef is more costly to the environment by an order of magnitude – about ten times on average – than other animal-derived foods, including pork and poultry. Cattle require on average 28 times more land and 11 times more irrigation water, are responsible for releasing 5 times more greenhouse gases, and consume 6 times as much nitrogen, as eggs or poultry. Poultry, pork, eggs and dairy all came out fairly similar. That was also surprising, because dairy production is often thought to be relatively environmentally benign. But the research shows that the price of irrigating and fertilizing the crops fed to milk cows – as well as the relative inefficiency of cows in comparison to other livestock – jacks up the cost significantly.

Real price of steak: Comparing environmental costs of livestock-based foods

 

Zero-blade-technology-wind-generator

 

Claims to be 200% more efficient and less than half the cost of wind turbines…

 

99 Life Hacks 4U

Posted: November 26, 2013 in -
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Hey, they’re actually useful.

Sarcastic Charm

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10,000 X less semiconductor material needed for equivalent energy output.  Vertical nano-wire design:

http://www.youtube.com/watch?feature=player_embedded&v=emZxVX3XxU0

“Anna Fontcuberta i Morral and her team built a nanowire solar cell out of gallium arsenide, a material which is better at converting light into power than silicon. They found that it actually collects more light than the usual flat solar cell–up to 12 times more–and more light means more energy.

Also, arrays of nanowires would use at least 10 000 times less gallium arsenide…”
Phys.org

Indiegogo project to develop a wonderful cheap light source for poor countries.  Works on gravity with a hanging weight.  They are halfway there.