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Hydrogen has got high calorific vallue value but it is not used as domestic fuel ? why?

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Hydrogen will be our primary fuel when...
The reality is that there are many ways to extract the fuel from water at the point of combustion. This eliminates the storage issues mentioned above. Internal combustion auto can travel as far as 250 mi. on 8 oz. of water. You will never see it used to power aircraft because of the ice formed at high attitudes. It has been tried.

Don't hold your breath to have this technology any time soon, unless you have more money than the oil companies. (my personal opinion) I have seen it work and was amazed by how easy it is and how well it works. Hope I live long enough to see it become the standard. There are at least three that have solved the mystery, so know that the quiff has been poped, so it may not take as long as I think for it to become mainstream.

Posted on Aug 14, 2019

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It is being used in the netherlands in city busses and in jamaica the is an inverter that made its car run on hydrogen problem is hi uses alumini to generate the gas. Because aluminium produces almost pure hydrogen if in contact with acid

Posted on Dec 25, 2018

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Potential for leaks, corrosiveness to plastics and metals, starting feedstock, energy needed to create and pressurize it, explosiveness, are disadvantages of hydrogen.
https://en.wikipedia.org/wiki/Hydrogen_safety

Posted on Dec 25, 2018

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Can hydrogen run a generator to produce hydrogen perpetually?


No. We all can't be versed on every aspect of our world but some parts are important to keep us from falling into poor investments and scams. There are several laws of thermodynamics, essentially how energy works in our world and are a fundamental part of our understanding of physics.

One of those laws suggests that energy like arithmetic will not change unless something operates to change the numbers. The energy that is put into a system (2 + 2) is always going to equal the energy that goes out of a system (4) So just as 2 + 2 is not going to suddenly equal 5 or 6 the energy we put into our system is not somehow going to create more energy. The best we can hope for is to create a system that will somehow gather more energy from another source like solar panels. In this case it is like saying 2 + 2 + 1 equals something more.

In your suggestion you want to add hydrogen to a generator and then use the resulting electricity to produce hydrogen by splitting water and then use that hydrogen to run the engine. But you are leaving out some of the elements. The engine is probably no more than about 25% efficient. That means that 75% of the energy in the hydrogen fuel you use is used to create heat and is lost to friction. So far your equation then looks like 2 + 2 - 3 . The generator also loses some energy to friction. Add to this it takes more energy to split water into hydrogen and oxygen than we recover when hydrogen and oxygen combine to produce some excess energy. So in every step along the way we are losing our desired goal to losses in energy like heat and friction.

But even if the system were somehow perfect it could not be any more perfect than to lose no energy. You will not be creating new new energy with such a system. Even if we could get it to run forever the system is not going to give us new energy we could use for something else as every bit would be used to run the system. This is why we say that efficiency can never be greater than 1 or 100%. And we can not have "over unity" or "perpetual motion" machines.

If we want "free energy" what we could do is make solar panels. And then use those solar panels to gather additional energy from a source outside the system and then produce hydrogen from solar energy. What we can't do is use a solar panel to produce electricity for a light that shines on the solar panel as once again this would be a closed system with no energy flowing into the system.

When it comes to energy systems look for the source of the energy. If it is supposed to be coming from inside the system perpetually then it is likely a scam. If there is an outside source it may be useful depending upon the economics and how much energy we get relative to our energy investment.

Jan 04, 2017 | Green Living

1 Answer

If gasoline is the same price in my town as diesel and biodiesel (it's always the same price) what fuel is the best for me? buying a new car?


Energy density says with diesel at 35.8 megajoules per liter and gasoline at 34.2, you should go a bit further with diesel.
Energy density Wikipedia
Diesel, esp. from petro sources, tends to create more hydrocarbon pollutants and particulates per distance traveled, esp on short hops where the engine doesn't warm up to it's higher efficiency range. Diesels like running on long trips.

Diesel engines tend to be noisier. Diesel could have issues with fuel gelling in very cold weather if it has insufficient winter additives, and sometimes even that isn't enough for a frigid weather startup..

Gasoline is more refined than diesel and likely has a bigger production environmental footprint than diesel, although diesel has a bigger combustion environmental footprint. Biodiesel can be better depending on its source.

Usually you do not have the choice of diesel vs. gasoline for the same model of car, so there will be other factors to consider besides fuel type. Best wishes shopping for your next vehicle.

Jan 04, 2017 | Green Living

1 Answer

If many people switched to bio-diesel, how many cars could be powered only on used cooking oil?


Bio Diesel is Great... It can be made from Many Organic Products INCLUDING used Cooking Oils. I had a Hilux Diesel I ran on it for a while.
To get an Accurate number of Vehicles running on ONLY Used Cooking Oil is impossible due to the Fact that there is no way of Knowing how many get oil and put it into the fuel tank right away... after being Filtered.
I know 2 People who collect used Cooking Oils and Filter it three or 4 times before putting it into the Fuel Tank... Thus there is no way to be able to add these people to the list
You could probably get rough Figures... not sure where....
I assume this is for some type of exam or similar??? Sorry I can't give a better answer but as you see by what I did answer... It is Impossible to be accurate

Jan 04, 2017 | Green Living

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Fuel Question , What Fuel is the cheapest and gives the Highest Mileage per Litre in Engines ?


Steam or electric are probably cheapest TO RUN... But most expensive to buy.... Butane would probably be next... It is actually a Mixture of Butane, Methane and a few others... In Australia it is the same as we use for the BBQ..... This would probably be next.... but unless the car is Factory converted,... then you will probably need some Petrol/Gasoline just to start .. You use maybe 2 or 3 Cupfuls each time so you don't use Much... It is also a Good backup if you run out of LPG....... The rest... it depends on th e Government and Fuel Companies which one is cheapest but what it SHOULD be id From cheapest up... Diesel, Unleaded, Premium Unleaded
Forget the rest... They would be cheap to run but the conversion would be so expensive it would be not worth the effort

Jan 04, 2017 | Green Living

1 Answer

What sources of power do you think will be used in the future?


In my opinion, the use of fossil fuel sources of energy will decrease in the near future. Meanwhile, other forms of clean energy will be cheaper and more available, like: solar, wind and hydroelectric energy.

Jan 04, 2017 | Green Living

1 Answer

How do non conventional energy better than fossil fuels?


Mankind has developed a way to utilize the sun's vast energy by converting its sunlight into electricity via photovoltaics and other solar power methods. The fossil fuels in the form of plants underneath the earth which transform into oil over time are drilled using polluting machinery.

Jan 04, 2017 | Green Living

1 Answer

Is it bad to sleep near an electric meter?


Not at all. The concern over Electromagnetic Fields (EMFs) popped up in the mid-1980s, less than a year after I started working for an electric utility. A study was being data mined and an association popped up between electrical workers and two kinds of brain cancers: gliomas and astrocytomas. That was all - a doubling of frequency for each of those cancers in the electrical workers in the sample.

That was mighty scary. Those are really nasty cancers and EMFs are everywhere - not so much around electric meters (especially modern digital ones, which do not have motors) but certainly things with open loops, like electric blankets. My job often took me into high and extra high voltage (230-500 kV) substations, where the EMFs are so high that touching a grounded fence produces a painful shock.

A few years ago (time flies so I don't remember when it was but probably about 5-10 years ago) a much larger study found no association at all - the other was a statistical cluster. That does not turn back the clock on Euro regulations, though. The World Health Organization (source) leaves it open-ended: "To date, no adverse health effects from low-level, long-term exposure to radiofrequency or power frequency fields have been confirmed, but scientists are actively continuing to research this area."

Jan 04, 2017 | Green Living

2 Answers

What is the best answer to 'paper or plastic?'?


Plastic, if you save them and use them again. However, they tend to collect, and all you can do "environmentally" with them then is find a place that accepts them for recycling.

Paper is fine, but two or three more uses is about all you can expect from them before they're totally kaput. Sometimes you can fold the bags and send them for recycling, but not all paper is suitable for that.

Reusable bags cost about a dollar, but they last a long time

Jan 04, 2017 | Green Living

1 Answer

WHO DOES ELECTRICITY CAUSE POLLUTION?


Electricity itself does not cause pollution - the production of electricity is what causes pollution. To produce electricity on a large scale, power plants use rotating turbines, which make electricity with the help of a generator. To spin the turbines in a traditional power plant, the fuel must be burned.
The burning of coal and oil in fossil-fuel power plants creates greenhouse gas emissions like carbon dioxide, along with other pollutants. Nuclear power plants have much lower direct emissions, but the process chain of mining and processing uranium and building and maintaining nuclear plants causes pollution.

Jan 04, 2017 | Green Living

1 Answer

Why do we need renewable energy?


This helps to reduce climate change. By using renewable energy sources like solar energy, we also reduce our dependence on fossil fuel gas and oil reserves, which are becoming more expensive and difficult to find. It also reduces our dependence on imported fossil fuels, improving our energy security.

Jan 04, 2017 | Green Living

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