Content type

Deep Dive

Solar farm in China

Record Renewables Growth Runs Into a Full Grid

The IEA expects the first annual fall in renewable additions in 21 years, the biggest six-year expansion on record, and a grid that is now the main thing standing in the way.

Abstract depiction of an eye

AI's Water Demand Could Double by 2030

A new report projects data centres' water footprint reaching 9.32 trillion litres by 2030, but the number is only meaningful once you know what it counts, and who is making the case.

Plazma az EAST Tokomak reaktor belsejében

The Decade of Fusion Energy Begins

As Wisconsin plans its first fusion power plant, America, Europe and China are racing at the same time to tame limitless energy.

Wind turbine

Which Way Is the Wind Blowing?

When judging wind farms, rather than arguing from conviction, we need to look at the full life-cycle ecological balance and the impact on the natural environment.

Cooling towers

When the Cooling Water and the Power Run Out

Low water on the Danube nearly shut down Hungary's Paks nuclear plant, and the Iberian blackout showed how fragile Europe's grid is.

Offshore oil refinery

Why Is the Hydrogen Powertrain Being Pushed to the Margins?

Behind the most loudly promised technology of the energy transition lie persistent cost gaps, missing infrastructure and documented oil industry interests.

Porsche Panamera beside the eFuel plant in Chile

What Is Hydrogen Good For? – Industry, Energy, Transport

For decades, hydrogen has quietly kept heavy industry alive – now, through e-fuels and fuel cells, it is entering transport too.

Air Liquide steam methane reforming hydrogen plant in Cologne, Germany

How Is Hydrogen Made?

Steam methane reforming and coal gasification, then electrolysis in three ways – production methods differ widely in efficiency, CO₂ footprint and price per kilogram.

Electron microscope image of an H2 molecule

The Age of Hydrogen – Why Now?

We have talked about the Earth's lightest element as a potential energy carrier for decades – for the first time, it looks as if the hope is coming true.

Koenigsegg Quark electric motor

The New Age of the Electric Motor

The electric motor was not invented yesterday – but it has never been reinvented as radically as now: rethinking magnetic flux, the dual-rotor principle and the rare earth question are together rewriting the future of electric propulsion.