Fossil fuel industry representatives have suggested that, when it comes to decarbonising buildings, hydrogen is their get out of jail free card. No need to insulate buildings. Just replace the fuel.

Here's why their argument is deeply flawed and false.

energymonitor.ai/tech/built-env…
Thanks to @CarbonBrief @LeoHickman @DrSimEvans for sharing my article in today's Daily Briefing.
@MichaelEMann here’s a classic example from Europe of what you refer to in your book as a tactic of distraction and delay.

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More from @janrosenow

7 May
THREAD: Where to use hydrogen and where not - new research by @PIK_Climate led by @FalkoUeckerdt just published in @NatureClimate provides merit order for hydrogen use.

Headline finding: Hydrogen is not recommended for use in cars and space heating. 1/n

nature.com/articles/s4155…
It all comes down to efficiency. Overall electricity-to-useful-energy efficiencies of hydrogen range from roughly 10% (light trucks) to 35% (boilers), which translates into electricity requirements that are 2–14 times higher than for direct electrification alternatives. 2/n
E-fuel mitigation costs are estimated to be €800–1,200 per tCO2. Large-scale deployment could reduce costs to €20–270 per tCO2 until 2050, yet it is unlikely that e-fuels will become cheap and abundant early enough. 3/n
Read 9 tweets
2 May
Is hydrogen overhyped? Who is pushing it?

Excellent piece by @jcollingridgeST @thesundaytimes
demonstrates that lobbying by vested interests is behind the recent craze around #hydrogen. 1/7

thetimes.co.uk/article/energy…
This confirms what @heatpolicyrich @exeterepg @UKERCHQ and others uncovered in their 2020 paper on how incumbents resist electrification. 2/7

sciencedirect.com/science/articl…
The article shows that oil giants such as Shell, BP and Norway’s Equinor have staked their futures on fossil gas as a less-polluting alternative to oil. Now they hope that by stripping the carbon from their methane to create hydrogen, they can ensure a market for it remains. 3/7
Read 7 tweets
24 Mar
HOT OF THE PRESS: New report by @RegAssistProj @e3g sets out how the UK can meet and exceed its target of 600,000 heat pumps by 2028.

To meet the target the installation rate needs to increase 25-fold. Here's how to achieve this. 1/7

raponline.org/knowledge-cent…
Existing policy is insufficient to deliver on the target and falls short by close to 50%. The gap is even larger to the @theCCCuk trajectory required for net zero. 2/7
We will need a policy package consisting of 4 elements:

1) financial support especially for low-income households
2 structural reform of bills and stamp duty
3) regulatory backstop in early 2030s
4) all of this underpinned by robust governance framework

3/7
Read 10 tweets
9 Jul 20
The EU’s hydrogen strategy is out laying out a European vision for hydrogen. THREAD euractiv.com/section/energy…
1/ Key sectors for using hydrogen identified in the strategy include industry (e.g. steel, chemicals), shipping and aviation. This is sensible as few alternatives exist for decarbonising these sectors.
2/ The Hydrogen Strategy assumes a lot of hydrogen from gas reforming with CCS will be needed as hydrogen from renewable electricity won’t be available fast enough to meet demand. Risk here is lock in as so-called blue hydrogen is not zero carbon.
Read 5 tweets

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