Distributed Energy Systems Corp. (DESC)
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- Global Warming Up to a Hydrogen Economy
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- Major Fuel Cell Stocks in Review
- Distributed Energy Systems Corp.: An Energy-Utility Small Cap With Big Future Plans
- Distributed Energy Systems: More Interconnections Coming
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Stocks Covered by The Energy Stock Blog [view article]
ABP synbol has been changed to AXAS. I tried changing the symbol, but it doesn't recognize the new symbol. I enjoy reading Alpha Stock Alerts. Thank you. ReplyGlobal Warming Up to a Hydrogen Economy [view article]
Any high school chemistry student knows how to make H2 from H2O. It takes some familarity with thermodynamics and economics to appreciate the costs.A catalyst can only permit a reaction that is thermodynamically possible. No catalyst can make H2 from water without input of more energy than you get from making water from H2. The same applies to making carbon and oxygen from CO2. That energy has to come from somewhere. It would take a huge excess supply of nuclear, solar, wind, geothermal, hydro, or tidal power before one could consider a meaningful conversion of CO2 to C and O2 or of H2O to H2 and 1/2*O2.
How much consideration is being given to use of solar power and biomass (algea?) to use up CO2 and make O2? In Brazil they are making CO2 from forrests in order to make ethanol from sugar.
The idea of nuclear power to make electricity to make H2, pipe the H2 to homes, make electricity from H2 at the home, and use this electricity to heat the home seems to be, at the least, somewhat inefficient. As a matter of fact it seems like fuzzy thinking taken to a new extreme.
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Global Warming Up to a Hydrogen Economy [view article]
Hydrogen is the future! ReplyAlternative Energy Stocks: Comparing Valuation (BLDP, CY, DESC, ENER, ESLR, FCEL, HOKU, HYGS, MXWL, MDTL, LUG) [view article]
brazil,BRAZIL,BRAZIL SAYS IT ALL...SUGAR CANE...TO ETHANOL TO A NEW ECONOMY...DROP THE CELLOLUSIC OR WHAT EVER ..CORN ETC...WE NEED TO COPY BRAZIL OR IMPORT THEIRS NOW...WRITE CONGRESS OR SEND THEM HOME...DIEGOJAMES
PORTER RANCH ,CALIFORNIA
On Apr 04 01:29 PM Anonymous wrote:
> Yes. Sunopta has the only comercially proven pretreatment technology
> in the world to expose enough cellulose to enzymes to make cellulosic
> ethanol competitive with gasoline. I wonder why this site has no
> articles on it. Reply
Global Warming Up to a Hydrogen Economy [view article]
There are some important points to make here. First, the energy density of hydrogen is significantly less than current hydrocarbon fuels. And as some have pointed out, producing hydrogen is not cheap, nor is converting the present transmission infrastructure. Hydrogen does not make a practicable liquid fuel, which is what we need for aircraft.The production of carbon black (elemental carbon) is not produced by the Sabatier process; doing so requires a lot of heat energy and the technology does not scale well to small applications like cars.
It is not at all clear that hydrocarbon sources in the Earth are in short supply -- new sources (and very large ones) are being discovered on a regular basis; nor are they all in places beyond the shores of North America -- The US gets the vast majority of its imported oil from Canada and Mexico. The price rise we are seeing now is not being driven by US consumers, but by the success of capitalism in Asia.
The bottom line is that we need to increase the supply of energy sources, not reduce them. The best aspect of this blog's article is that it alludes to the capacity of innovative technologies that may reasonably permit the profitable recycling of hydrocarbon emissions -- this is a topic worthy of much study. Reply
Global Warming Up to a Hydrogen Economy [view article]
HYDROGEN CAN BE MADE CHEAPLY USING SOLAR , NUCLEAR , WIND , EARTH CORE TECHNOLOGIES AND WATER....NOW GET TO WORK! KHOSLA S SOLAR PROJECT IS THE ANSWER!!! ReplyGlobal Warming Up to a Hydrogen Economy [view article]
The Hydrogen Education Foundation is thankful for the balanced article published here at SeekingAlpha.com. Although, the transition to hydrogen is a complex issue, it is achievable and may be simpler than it appears.Hydrogen has been used for decades by other industries, such as agriculture, oil production and even food processing (ever heard of the term “hydrogenated?” – take a look at a jar of peanut butter or the wrapper of a Starburst). In fact, more than 40 billion kg of hydrogen are produced globally each year with production plants located near or within every major metropolitan city in the US – enough to fuel 130 million fuel cell-electric vehicles annually. Since hydrogen is used to produce gasoline, the switch from gas to hydrogen to fuel our transportation is achievable and is a natural progression requiring no additional resources. Recently, General motors released a report describing just how a fueling infrastructure is possible in the near future: www.h2andyou.org/pdf/G....
One of the many benefits of a hydrogen economy will be its favorable impact on the environment. As is described above, natural gas offers the ability to guide us away from depending on oil and facilitates the adoption of hydrogen. While not 100% clean, even using hydrogen produced from natural gas will dramatically reduce greenhouse gases by more than 60% compared to current standards. Two of the leading fuel cell manufacturing companies, Ballard Power Systems and Plug Power, recently released a joint report that confirms fuel cells using hydrogen produced using natural gas can improve the environment by reducing greenhouse gases. The report is readily available at Plug Power’s website at www.plugpower.com/news....
To learn more about the benefits of hydrogen, we invite everyone to please visit h2andyou.org.
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G.
Global Warming Up to a Hydrogen Economy [view article]
George GorskiExcellent and informative article !!!!
Robert G. Reply
Global Warming Up to a Hydrogen Economy [view article]
This article is exceptionally well written and shows the uncertainty of the true causes of climate changes and the many variables in play. The fact that humanity keeps growing and that there are natural weather trends that overlap human effects and make the controversy even more complex. The fact of the matter is that we don't really know what' s going on and have very little control over it.To me the whole discussion somehow misses the point that hydrocarbon resources are getting more and more scarce and it makes tremendous sense to embrace new energy technologies and advance them to a level that will support our civilization for the next millennium.
More important is the fact that countries like the US are ruining their economy having with such an unbalanced current account deficit caused by spending on the import of hydrocarbon energy.
Its time to seriously invest more in innovation and fundamental research on energy generation to give humanity more power over its own future.
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s
Global Warming Up to a Hydrogen Economy [view article]
This is one of the best explanations of the global warming controversy and the probable future of energy development. I want to remind the author to look into increasing albedo of ocean clouds as a way to reduce earth absorption of infrared. This would be implemented by "seawater droplet disseminators" that are floating barges equipped with atomizers of seawater that is transported to a level of 50 ft above the water surface and become nucleii of cloud formation. It has been observed that certain areas of the ocean, roughly located along the west coasts of continents are deficient of normal ocean clouds and would the the places where the barges are deployed. The barges would be powered by wave action power generation and switched on or off and relocated by satellite observation and communication. This may sound like a crackpot idea, but is a simulation of the normal method of cloud seeding which is wave action causing splashing and waves striking the shorelines. The calculations show that relatively few barges are needed, and when feasibility is demonstrated in one region, more barges can be replicated, providing a demand for the product. This would need to be funded by an overseeing global financial structure such as the World Bank, because there would be no direct economic return on any one company or country.The idea was originally proposed by a Harvard professor back in the 1980's, but has been only reconsidered in recent years. A series of papers are available at: ccc2006.ca/docs/Abstra...
I also want to see your comment on the Thai system being licensed by Petrobank of Vancouver. This is a means to reduce the viscoity of heavy oil making its recovery more complete and less expensive. The basic idea is to inject air into a region beyond the oil well and combust some oil underground. The oil well has a long horizontal bore within the oil bearing strata. The heat generated will liquify the oil and tars and the pressure from injecting air will force the oil up the main well bore. The CO2 generated is retained below ground thus preventing its release to the atmosphere. By the processes you mentioned in your article, it is conceivable that it could also be converted to methane when the well has ceased production of oil. This process is the basis for optimism about the Bakken Oil Formation recently identified in the northern Midwest states and Canada. Reply
Global Warming Up to a Hydrogen Economy [view article]
Count me as a skeptic, having survived the Great Famine of 1985 and the Ice Age of the last quarter of the 20th century. When I was a lad growing up in the 60s those were the dire predictions. The big fear was that the oceans would drop as more ice accumulated.There are bigger players afoot than CO2, etc - like the Sun. Global temps have been flat since 2000 and got much colder this past year. The last year has wiped out 100 years of global warming. How come it got so cold this year and why have temps stayed flat so far this century? Did the CO2 levels drop? Maybe global warming and the Ice Age from 1975-2000 canceled each other out.
The same computer models that predict global warming failed to predict the first years of the 21st century and last year's huge cooling. Why would anyone take advice from a weatherman? They can't even tell us what it will do tomorrow.
As you can see from the graph at the following site, there was a considerable cooling period in the 60s that led everyone to worry about cooling, because basically people tend to think that whatever is happening now is going to continue, just like they do now.
www.metoffice.gov.uk/r...
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Global Warming Up to a Hydrogen Economy [view article]
In the case of a car let's say.You can charge a battery but you get limited mileage, long time charging, fairly low battery life, expensive battery, problems recycling the battery,uneven power output,toxic material etc. If you make h2 with electricity you solve most of those problems with a fuel cells. When mass production start they will get cheaper and cheaper.
jy Reply
Global Warming Up to a Hydrogen Economy [view article]
This is a fantasy/idiotic dream.Currently to get hydrogen electricity is used,
what advantage does H have over electricity?
The conversion wouldn't be 100% so H would
cost more.
You talk about future technologies that would
make H at a cheap price.
Ha
Show me. Reply
Global Warming Up to a Hydrogen Economy [view article]
Re: A few words about geologic time spans versus events that impact human beings.Pansyed is correct about there being numerous previous glacial advances. Over the past million years there were about 10 glacial cycles (a cycle equals one cold and one warm period), each lasting approximately 100,000 years. The cold periods are usually appreciable longer than the warm periods. The ice from the last cold period melted back north of the Great Lakes about 15,000 years ago. Changes in earth temperatures before humans was (and still is) caused by small changes in the earth's orbit aroun the sun and a number of other probable causes.
The problem, of course, is that these geologic happenings occur over considerably longer period than us humans can tolerate in the normal course of things. If humans are contributing to a speed-up and an enhancement of the warming cycle that may cause substantial economic and health effects, certainly that should be investigated. The two big difficulties are, 1) collecting the appropriate data, drawing the correct conclusions and determining realistic and afforable measures to counter the ill effects, and 2) controlling the earth's human populations so that the ever growing numbers plus the average increase in consumption of individuals does not completely override man's efforts to minimize our contributions.
Probably man's efforts will have little or no effect as far the time span of currently living people are concern. But efforts to deal with the problem may well provide some decent inverstment opportunities. Reply
Global Warming Up to a Hydrogen Economy [view article]
panseyed Your idea that global warming is just a natural phenomenon is a skeptic argument that has been debunked repeatedly. Your opinion is at odds with the tens of thousands of climate scientists from all over the world, and at odds with the third assessment by the IPCC, which has been called the most thoroughly peer reviewed scientific document in the history of science. If you don't think that is evidence enough, what do you think would be Reply