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The Emperor's New Hydrogen Economy

A book by Darryl McMahon


Last updated 2021.10.13


We Have a Winner!!

Dateline: San Francisco CA - Thursday May 12, 2011 - The International Green Book Festival announced the results of its competition, and awarded The Emperor's New Hydrogen Economy with Runner-up (second place) in the non-fiction category, coming in ahead of entries by many notable 'green' authors such as David Suzuki.


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The Emperor's New Hydrogen Economy in the news


October 2021

It's a long time since I revisited my book or this part of the website. It was always my intention that the book was strong enough, backed copiously with solid research citations, that it would would stand on its own. In the past year, I have seen a resurgence in the hydrogen hype, unaccompanied by any substantive advances in the technology. Other than a 'hail mary' by the nuclear and fossil fuel industries (notably fracked natural gas) to soak up more taxpayer money to greenwash their dismal businesses, I don't understand the play. The technology is substantially the same as it was 150 years ago, with incremental improvements. But the fundamentals of the laws of thermodynamics and economics have not changed.

I have also had multiple requests to update and republish the book. I recently went through the book again, and it has held up remarkably well over 15 years. I will happily update the book if someone wants to pay for my time to do so. Otherwise, not interested. It's still a solid read, educational and occasionally entertaining as is.

I was asked to do an update presentation to a group of which I am a member starting a year ago. I relented this past spring, but have not published the slide deck until now, because I did not have the time to deal with the flame wars that would ensue. I HAVE been here before.

Anyway, with winter approaching, I may have a bit more time for this, as COVID-19 seems to continue pushing off work on my other projects to infinity. Here's the slide deck, and possibly in future some additional articles which shine the reality light on the hydrogen hype. (Intermittent and as time permits)

The Emperor's New Hydrogen Economy - Update 15 years on (March, 2021) (PowerPoint PPSX file)

How green is blue hydrogen? April 2021

TL;DR "This best-case scenario for producing blue hydrogen, using renewable electricity instead of natural gas to power the processes, suggests to us that there really is no role for blue hydrogen in a carbon- free future. Greenhouse gas emissions remain high, and there would also be a substantial consumption of renewable electricity, which represents an opportunity cost. We believe the renewable electricity could be better used by society in other ways, replacing the use of fossil fuels."


October 28, 2021 - This is a bit of a slog - about 3 hours - but it's an eye-opening reality check from the conference on Hydrogen (what's needed to make the hydgrogen economy real). TL;DR - it's not ready, funding is a huge problem because lenders see the technology as very risky, and while taking climate change seriously is necessary to give the hydrogen economy a push forward, the case for hydrogen as a climate change solution is shaky.

One speaker (starting at about the 44 minute mark) doesn't even address typical ground transportation as a niche for hydrogen fuel. For those with real skin in the game, it must be clear that plug-in battery and grid-connected electric drive has already captured that market. He speaks to heavy industry, long-haul transport, and maritime sectors as the key markets for hydrogen fuelling sometime after 2030.

This assumes that 'direct electrification' technology will remain stuck in circa 2020 commercial technology levels. That is a poor assumption as battery technology continues to improve dramatically year over year. Electric long-haul transport is being implemented now with Class-8 battery trucks and electrified highways. There are already battery electric ferries in commercial service. The potential for using biofuels is completely ignored. The world is already building infrastructure for liquified natural gas, not only for more compact transport, but also fueling ships. LNG may be a 'bridge fuel', but it will likely appear in precisely the time window to obliterate any niche for hydrogen fuel. LNG based on bio-methane may have a longer life than fossil methane depending on GHG-reduction incentives. Heavy industry will use whatever energy source is available and provides maximum financial advantage. Hydrogen will not be a winner on financials.

Industry promoters still can't bring themselves to give straight answers about GHG emissions, continually blurring the impacts of grey vs. blue ve. green hydrogen. A bit problem for green hydrogen is that there simply isn't enough primary green energy available to power the electrolysis. (My addendum: because it takes 7 times as much energy to power the green hydrogen energy cycle as it does to use green primary energy to charge batteries and power homes, industry and transportation. See my March 2021 PowerPoint deck referenced above.)
Hydrogen - Is it rocket science? (Wikborg|Rein)


October 31st, 2021 - It is not only All Hallows Eve, but scarier still, it is also the eve of the Conference of the Parties 26th annual gathering of the apologists and deniers (COP 26) creating massive GHGs from jet travel for the self-congratulatory PR fest for the powers that be, and where true advocates and problem solvers are left outside the gates. I'll state now that the end-of-event statement will once again mouth platitudes about the scope of the problem, that we must act now, and then serve up zero hard commitments that any government or corporate entity will have to stand to account for, or suffer any penalties for simply continuing the charade as staged regularly since Rio. Happy to have saved you some time with this spoiler.


November 2021

November 3rd, 2021 - One of the purported future uses for (green) hydrogen is to inject it into existing natural gas pipelines for use as a heating fuel to reduce the carbon content of the delivered heating fuel. As I cover in my book, hydrogen is the smallest element, difficult to contain and highly reactive. That means, hydrogen gas - as would be injected into the pipeline infrastructure and into homes and businesses - is very hard to contain and really likes to catch fire or explode.

This white paper, "The H2 readiness of gas shut-off valves in gas meters" (Author: Stephan Brückner, Johnson Electric Smart Metering) contains thiis paragraph:

"To achieve an unlimited infeed of hydrogen in gas distribution networks, all the links in the supply chain will need to be H2 ready – from the entry point through to the exit point where the gas will be used. Intrinsic infrastructure components and materials will have to be investigated and tested for specific compatibility limits with hydrogen admixtures and pure hydrogen."
(paper can be downloaded here)

Think about that for a moment. Think of the enormity of what that implies. Every steel pipe in the NG distribution grid will have to be lined, sealed or replaced to avoid embrittlement. Every connection will have to be replaced. Every cut-off valve will have to be replaced. Where will all that "H2-ready" gear come from in a very short period? Where will the workforce come from? And it has to be a short period, because the distribution network can't distinguish between NG with H2 in it and NG without. Once the H2 starts to be injected, it will be present everywhere within minutes to days. There is no gradual phase-in option for H2 being fed into the distribution network; it's effectively a instantaneous cut-over with the first feed-in.

I think it's a safe bet that the hydrogen energy advocates are not posting that as a headline for their fantasy energy nirvana posters. Because it means they can't simply piggyback on the existing NG distribution infrastructure, they'll have to replace it.

But it begs a more fundamental question, What is the benefit of putting hydrogen into a natural gas distribution network? It's not GHG emissions reductions. In a world where there isn't enough renewable electricity to go around, we're not going to use 7 times as much to make 'green' hydrogen to mix with methane to make a slightly less potent GHG energy carrier. So, that's going to be blue or grey hydrogen, which means we stripped off the carbon molecules upstream somewhere, but they're still being created, just not at point of use. If the objective is heating from green sources, we'll be much better off using electricity to the point of use to power heat pumps for space and water heating. For industrial process heat, it will depend on the desired temperature as to the device used: heat-pump; resistance heating or electric plasma or electric blast furnaces. They're all off-the-shelf tech today, and don't require replacing an existing infrastructure to deploy.


The Emperor's New Hydrogen Economy now cited by [*dead link: http://www.fueleconomy.gov/hydrogenandfuelcells/resources/db/higheredcatalogs/H2.do?state=book&bookId=195" the U.S. Department of Energy as a textbook on Hydrogen and Fuel Cell Technology

Book review in the Spring 2009 Greenlife Ottawa magazine

Book review at Journey to Forever 2008

Book Review in Current Events magazine (Electric Auto Association) June/July 2007

The Oil Drum article, Kyoto, Canadians, Energy and the Environment 2007.02.22

Autobloggreen article on The Emperor's New Hydrogen Economy 2007.01.13

The Green Majority (CIUT radio 89.5 FM Toronto) 2006.12.29
(interview starts at about 32:30 into the broadcast)

Canadian Newsblog Interview 2006.12.23

Article in the Ottawa Citizen 2006.12.15 (reprinted in Montreal Gazette 2007.01.08)

More News


A Local Review

The Emperor's New Hydrogen Economy by Darryl McMahon

This book is a great read for the energy conscious person who is concerned with the environment and how ours and future generations will cope with our depleting fossil fuels. At present, McMahon believes hydrogen is not the answer. He reviews the many ways that hydrogen can be produced.

McMahon points out that although hydrogen is an exceptional environmentally friendly fuel, its production uses fossil fuels which contribute to global warming. Hydrogen is not viable at present but can be a very clean and efficient 'future fuel' when technology finds ways of manufacturing it using alternative energy sources.

With the world's fossil fuel supply quickly running out, the author uses the latter portion of the book to suggest ways of conserving energy. This section is a must read for everyone who wants to use less energy and save money at the same time.
( Peter Bayfield )


The Personal Energy Plan ¤ Browse the book ¤ More News
Book Updates¤ About the Title ¤ On Being an Author


Edmonton (Alberta) Outlets for the Emperor's New Hydrogen Economy

Audrey's Books 10702 Jasper Avenue NW

North Bay (Ontario) Outlets for The Emperor's New Hydrogen Economy

[Link has bitrotted: http://www.gulliversbookstore.com] Gulliver's Books 157 Main Street West

Ottawa Outlets for The Emperor's New Hydrogen Economy

Check your favourite bookstore to get your copy of The Emperor's New Hydrogen Economy to prepare yourself for a future of rising energy prices.

Arbour Environmental Shoppe (800 Bank Street)

Ridemore 456 McArthur (at St. Laurent)

Perfect Books (258 Elgin Street, near MacLaren)

(If your favourite store for new books does not have The Emperor's New Hydrogen Economy, ask them to get it for you.)


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