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a diesel engine to burn clean hydrogen

Geo-TH,In

Geo-TH,In

Well-known Member
Engineers have retrofitted a diesel engine to burn clean hydrogen.

This is the first I've read about using 90% hydrogen and 10% diesel in semi engines.

They are claiming hydrogen engines are much more energy-efficient than those powered by fossil fuels.

I always thought that making hydrogen is a better way to store energy instead of using batteries..
Hydrogen has an indefinite shelf life..
Hydrogen could be made next to a windmill or solar panel. No connecting power lines to the grid.


Have you heard about tractor companies working in this engine?
Cummins?
green hydrogen.
 
When I hear about hydrogen vehicles the first thing I think of is the Hindenburg. An explosion waiting for a spark!
 
To keep this tractor related, 30 years ago there was a Farmall H set up to run on hydrogen developed at University of Kentucky I think. It was featured in Farm Show magazine in the early 90's.

I thought it was pretty cool.
 
What I think about is water. I don't particularly care for the thoughts of earth becoming like Mars. When you actually think about it most of these green ideas cause more harm than good. JMO
 
(quoted from post at 06:05:40 10/14/22) When I hear about hydrogen vehicles the first thing I think of is the Hindenburg. An explosion waiting for a spark!
Click to expand...

So is natural gas. So is propane. So is gasoline for that matter.

Yet, we safely use all of them in our everyday lives. We know how to handle flammable compressed gasses. There is no reason to think hydrogen is any less safe.

The problem with hydrogen is infrastructure, just like any other fuels aside from gasoline/diesel.
 
(quoted from post at 06:20:08 10/14/22) What I think about is water. I don't particularly care for the thoughts of earth becoming like Mars. When you actually think about it most of these green ideas cause more harm than good. JMO
Click to expand...

The hydrogen is made from passing electricity through water and collecting the gas. The byproduct of combustion is water. Water in, water out.

Not sure where you get Mars from. Is there some alternative science theory out there that says the inhabitants of Mars destroyed their planet by using hydrogen as a fuel?
 
The problem with hydrogen is infrastructure,

Before pipelines, So called gas works produced coke by heating
coal in enclosed chambers. The flammable gas that was given off
was stored in gas holders, to be used domestically and
industrially for cooking, heating and lighting. The gas was
commonly known as town gas since underground networks of pipes
ran through most towns.

Hydrogen could be produced any place that has water and
electricity, so the infrastructure could be similar to the old
city gas plants..
 
(quoted from post at 07:49:59 10/14/22) The problem with hydrogen is infrastructure,

Before pipelines, So called gas works produced coke by heating
coal in enclosed chambers. The flammable gas that was given off
was stored in gas holders, to be used domestically and
industrially for cooking, heating and lighting. The gas was
commonly known as town gas since underground networks of pipes
ran through most towns.

Hydrogen could be produced any place that has water and
electricity, so the infrastructure could be similar to the old
city gas plants..
Click to expand...

Yes, but that infrastructure does not exist.

Isn't that the universal complaint for EVs? "The infrastructure isn't there." How's this any different? I know the answer.
 
Hydrogen explosive over a way larger range of mixtures than hydrocarbon vapours.



Hydrogen is stored at extremely high pressures causing other hazards to deal with.
 
Barney ..... you're remembering your high school chem teacher demonstrating that up front with those glass tubes and batteries and wires, etc. That is one of many ways hydrogen can be produced, there's a ton of reading on the subject should a person care to start Googling. From what I have read on the subject, electrolysis of water is perhaps the least likely to be the process used for industrial large-scae production of hydrogen. Cost comparisons have also shown it to be very cost inefficient, perhaps the most expensive of all processes.
 
The company I work for is buying 50 new RNG trucks to add to the 25 we have. The infrastructure is there because we fuel from private onsite tanks and can make it from tank to tank on one fill.

The problem is they dont tell you the whole story. Every RNG truck we buy is subsidized to make it a no lose situation for us. Its a pilot problem to study feasibility.
 
(quoted from post at 11:36:45 10/14/22) The company I work for is buying 50 new RNG trucks to add to the 25 we have. The infrastructure is there because we fuel from private onsite tanks and can make it from tank to tank on one fill.

The problem is they dont tell you the whole story. Every RNG truck we buy is subsidized to make it a no lose situation for us. Its a pilot problem to study feasibility.
Click to expand...
ubsidized as are EVs
 
I've heard of LNG before, but not Renewable NG trucks..
About 4 years ago I went to the Grand Canyon.
All their busses were LNG and the engines were made by Cummins.
They sounded like Diesel engines, no smell like an old diesel.

Interesting learning about RNG.
If I recall wasn't ethanol subsidized by Uncle Sam along with EV's, solar, and wind?

I'm sure there are more things that are subsidized.
 
Hydrogen and Hindenburg go hand in hand along with the impracticality of them all for cost and inefficiency, of use and manufacture. Now some of them will come along in time to maybe a practical use just not at this time. Though I think the political end to this country will come long before most of this could come to fruition. We are only one election away from losing it all.
 
(quoted from post at 08:24:28 10/14/22) Barney ..... you're remembering your high school chem teacher demonstrating that up front with those glass tubes and batteries and wires, etc. That is one of many ways hydrogen can be produced, there's a ton of reading on the subject should a person care to start Googling. From what I have read on the subject, electrolysis of water is perhaps the least likely to be the process used for industrial large-scae production of hydrogen. Cost comparisons have also shown it to be very cost inefficient, perhaps the most expensive of all processes.
Click to expand...

The whole point of this "thought exercise" is using wind turbines and solar panels to generate hydrogen. Electrolysis of water seems like the obvious choice of process. Just stick the wires from the generator into a bucket of water, and bam, hydrogen.
 
Yes George lots of things are subsidized. Including farming.

Point was when our owner talks about buying these trucks to either us or the media he sounds like the biggest clean air freak in the whole world. He is going places and doing things no one else will for clean air.

But when you look behind the curtain you find he is just doing what makes him the most money.
 
(quoted from post at 12:08:14 10/14/22) Yes George lots of things are subsidized. Including farming.

Point was when our owner talks about buying these trucks to either us or the media he sounds like the biggest clean air freak in the whole world. He is going places and doing things no one else will for clean air.

But when you look behind the curtain you find he is just doing what makes him the most money.
Click to expand...

Hydrogen loop is very unefficient if you store it under an high pressure bottle. The energy used to compress the gas is very high. Same goes for energy losses from a far away nuclear power plant to end user.
For tractors, the mettalic hydrogen storage is a possibility, and will greatly increase output.

Solar panels and wind turbines are good for the planet only if we condoder their full life and increase their use life.if everything we built lasted twice or triple, if we were fixing more instead of overbuilding, then our planet would be in good shape
 

Hydrogen is different to handle vs coal gas/. carbon monoxide .
Hydrogen has a long energy density as it lacks the carbon bonds .
H2 does not turn to liquid at room temperature like LP does .
H2 tanks have to be large , heavy and bulky due to the low energy density of H2.
To be practical . Fuel has to stored in a liquid state at ambient temperature and atmospheric pressure .
 

cvphoto138124.jpg
 
'Clean' hydrogen? Ha, just another farce like 'clean' electric cars. The easiest and cheapest way to produce hydrogen in large enough quantities for motor fuel is by water electrolysis, passing electric current between two plates in water. Problem is, the byproduct is ground level ozone. Where have I heard the term 'ground level ozone' before? Oh, right, it's the major component of SMOG. Yep, let's start producing more hydrogen. Burning hydrogen in an engine just moves the pollution away from the end user, so the religious among us can feel better.
 
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