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Alternative Energy

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Sept. 15, 2011

Bob Gately and 1 other person answered this question

What are your feelings toward solar energy and alternative energy

How do we store sunlight so we can use it after dark?

Alternative Energy

Alternative Energy Installation

Sept. 11, 2011

Fidelis Onu and 3 other people answered this question at this roundtable

Biofuels in Africa [6/9 @ 8 am]

What is the food vs. fuel debate?

Has any one ever heard of 'Jatropha'. Its non edible, resilient cos it can thrive on marginal lands and can produce more biofuels per surface area than many edible crops.
Governments may need to to take proactive measures by providing this crop to farmers using extension ... more

Alternative Energy

July 7, 2011

Andrew McKillop and 2 other people answered this question at this roundtable

The Viability of Coal and Natural Gas as Alternative Energy Sources [6/27 @ 11 am]

What are the causes of the looming shortfall in coal production: inattention or peak coal?

I recommend you get hold of the Energy Watch Group report COAL: RESOURCES AND FUTURE PRODUCTION (Report No EWG 1/07) and then we can talk about this subject
Briefly world coal suffers all the problems driving up oil prices, specially production and transport infrastructures, not many ... more

Alternative Energy

June 27, 2011

Jennifer Mickelson answered this question at this roundtable

The Viability of Coal and Natural Gas as Alternative Energy Sources [6/27 @ 11 am]

Chevron pulled out of Coal to Liquids in early 2011. Any idea as to why?

As an early investor in a coal-to-liquids (CTL) plant, it appears outside of two US plants (one in Terre Haute, IN; the other in North Dakota), the best example is Sasol in South Africa. Majority of the upstarts in the United States are run by ... more

Alternative Energy

June 27, 2011

Courtney Sato asked a question at this roundtable

The Viability of Coal and Natural Gas as Alternative Energy Sources [6/27 @ 11 am]

Is there enough coal in the world market available to meet Chinese demand, and for how long?

Alternative Energy

June 24, 2011

Courtney Sato announced a roundtable

The Viability of Coal and Natural Gas as Alternative Energy Sources

Alternative Energy

June 9, 2011

Michael Schmier commented on a roundtable

Biofuels in Africa

Some interesting thoughts/comments. Jatropha curcas is primary candidate for source of biofuel in Africa. Biofuel is a leading candidate that could help drive African exports. The food vs. fuel debate is really a broader issue around the lack of scaled agriculture know how and development. ... more

Alternative Energy

May 20, 2011

Jenny Markov asked a question

Who are the biggest private equity investors (funds) for alternative energy?

Alternative Energy

May 18, 2011

David Fessler answered this question

What are the potential environmental hazards associated with hydropower?

First, you have to take a look at which kind of hydropower you are talking about.There are two different kinds. Conventional hydropower involves the building of a large dam that backs up the entire waterway. Water is then guided through large pipes to spin turbines ... more

Alternative Energy

May 13, 2011

Stafford Williamson and 1 other person answered this question

Is biodiesel bad for the environment?

An interesting side effect of biodiesel blends appears to be mentioned in the article to which Dave Fessler refers ( http://en.wikipedia.org/wiki/Environmental_impact_of_biodiesel
) under the subtitle of Biodegradation, pointing to a University of Idaho study.
That study showed that blends of petroleum diesel and biodiesel biodegraded at ... more

Alternative Energy

May 12, 2011

Dan Snyder and 3 other people answered this question

Why is wind energy so underutilized in the US?

People who have deployed large wind projects are starting to report that the yield from their wind farms decreases measurably as other wind farms come online. So the initial data is saying that wind is not quite as consistently renewable as it seems.
But largely I ... more

Alternative Energy

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