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The errors of e-fuels

Synthetic hydrocarbon fuels made using captured CO2 are worse for the climate than conventional oil products.  They have no place in a net zero economy. This post looks at synthetic hydrocarbon fuels...

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Transforming the world’s energy system with solar and wind Recent analysis confirms the very large increases in solar and wind generation required to decarbonise the energy system by 2050.  Achieving...

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Prioritising use of renewables

Using renewables in different ways produces very different emissions reductions.  Use of renewables will be central to decarbonising most parts of the energy system.   But the amount by which each MWh...

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Defining low carbon electrolytic hydrogen

Hydrogen made by electrolysis is only low carbon if made when there is surplus low carbon generation on the system.  This will likely become much more common in future. Deployment of electrolysers in...

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The UK rightly deprioritises early CCU

The UK government has decided that CCU projects should not be eligible for early rounds of industrial CCS projects support contracts.  This looks like the right decision. Carbon capture and use (CCU)...

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Leaving a legacy to remove lifetime emissions

People born in previous decades have much higher lifetime emissions than those born today.  They should be encouraged to redress this by financing carbon dioxide removals as part of their legacy....

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Increased interconnection is part of transforming Great Britain’s electricity...

Until recently the UK’s electricity market was relatively isolated from the wider continental European market.  This is now changing as interconnector capacity expands rapidly.  This has significant...

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Approaches to risk of reversal for Carbon Dioxide Removal

Different types of carbon dioxide removal differ greatly in the extent to which they are permanent.  The risk of reversal, with release of CO2 into the atmosphere, is always present for land-based...

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Advantages of enhancing the Auction Reserve Price in the UKETS

The current design of the UK Emissions Trading System (UKETS) includes an Auction Reserve Price (ARP) for allowances, set at £22/tCO2.  This effectively establishes a minimum price, or price floor....

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Prospects for DACCS

I have recently co-authored a report suggesting, among other things, that DACCS will remains scarce and expensive at least to 2050 and likely beyond. The report can be found here:...

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