<p>&lsquo;Power-to-X&rsquo; is the concept of using electricity to produce useful fuels and chemicals from air, water and other basic inputs. Although hardly available today in a commercial manner, Power-to-X has gained interest for two main (and related) purposes: to convert excess renewables to a storable commodity, and to produce low-carbon fuels and materials for hardto-decarbonise sectors.</p>

<p>What are the available technologies and fuels? And what is their state of technical and commercial viability?</p>
