Commentary: Why is hydrogen becoming such an attractive clean energy source?

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Despite being energy inefficient, hydrogen has received much interest because it fits business models built on fossil fuels, says a chemical ...

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ABERDEEN, Scotland: Hydrogen is often touted in the scientific and general media as a silver bullet for reaching net-zero emissions. Such articles might include the following claims:It can be synthesised from electricity and water.It provides energy without harmful carbon dioxide emissions as it burns to water.It can deliver power via a fuel cell.It burns at a similar temperature to natural gas.

It is not energy efficient: For every three units of energy provided by hydrogen you have to put one unit of energy in.The best commentaries and analysis to better help you see beyond today’s news headlines. Subscribe to CNA’s Commentary newsletter.This service is not intended for persons residing in the EU. By clicking subscribe, I agree to receive news updates and promotional material from Mediacorp and Mediacorp's partners.

READ: Commentary: Singapore's oil and gas sector should embrace transition to a green future with confidence Academics at Exeter and Imperial universities recently investigated this hydrogen bias in the UK heat sector. Their study concluded that “Incumbents [actors within the heat sector] are overselling ‘green-gas’ to policymakers in order to protect their interests and detract from the importance and value of electrification.”The APPG’s recently issued call for evidence on the role of hydrogen in powering industry may be perceived as an example of such bias.

Fukushima Hydrogen Energy Research Field and an adjoining solar power farm are pictured in Namie Town, Fukushima Prefecture, Japan, March 6, 2021. Picture taken March 6, 2021. REUTERS/ Yuka Obayashi

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