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I am a retired Sr. Management professional from wind energy space. Devoted 42 years in Wind Turbine and special purpose machine manufacturing industry. Out of which 22 years in Wind Turbine...

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  • Feb 3, 2021

Carbon dioxide Emission is Much High in China, the US & India. Green Hydrogen Can Solve this Issue. But there are Practical Challenges

Bob Meinetz's picture
Bob Meinetz on Feb 4, 2021

Debasis, while looking through search results for "green hydrogen" you will notice it's never described in the present tense. A sample:

"The Future of Hydrogen – Analysis - IEA"
"Hydrogen production worldwide 2030 | Statista"
"Global Hydrogen Generation Market Size | Industry Report, 2027"
"Scaling up - Hydrogen Council"
"Hydrogen Generation Market to hit $160 billion by 2026"
"The global market for Hydrogen Generators is projected to ..."
"Hydrogen on the Horizon | S&P Global"

That's because green hydrogen doesn't presently exist. Global production is an insignificant 300 tonnes/yr, or 233,000 times less than the "brown" variety made from fossil-fuel methane.

Green hydrogen not only doesn't exist, it will never exist, because it was never meant to exist. Why? Oil companies can manufacture brown hydrogen for one-tenth the price, say it's green, and Gen-Z'ers who fill up their fuel-cell vehicles with brown hydrogen will never know the difference. After spending $7/gallon at the refilling station they will drive away feeling good, confident in the belief they're helping the environment.

If you were Shell CEO Ben van Beurden, isn't that what you would do? Like taking candy from a baby.

DR DEBASIS GUPTA on Feb 19, 2021

I agree with you. It is quite natural that anything that is not commercially profitable won't exist for common use. That is why Green Hydrogen is only an experimental entity till now.

At the same time, we need to find out and try various solutions to restrict global warming. 

Necessity is the father of invention. So, people are working on green hydrogen also as a possibility and working with a defined timeline. 

It wasn't existing, it doesn't exist, but it has the potential to exist in the next 30 years (2050). 

Thanks for reading and comment.

Bob Meinetz's picture
Bob Meinetz on Feb 22, 2021

"It wasn't existing, it doesn't exist, but it has the potential to exist in the next 30 years (2050)."

Debasis, identical language was used to describe solar and wind 50 years ago. We heard "it has the potential to exist," all the while understanding why (by any significant metric) it didn't exist, and would never exist. Based not in personal preference, but physics - fundamental, timeless principles of energy density vs. energy scarcity.

I'm running out of patience because we're all running out of time.

DR DEBASIS GUPTA on Feb 27, 2021

I am hopeful because I have seen the transition of India towards green energy from a very close proximity. For your Information India is going to open the bid for its first green hydrogen project this year.

Thank DR DEBASIS for the Post!
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