#sustainability

A Renault electric powertrain unit, the kind that uses a wound-rotor motor with no rare-earth magnets

Renault ditched rare-earth magnets in its EVs in 2012. China's export squeeze made that look smart

A Renault explainer on rare-earth-free EV motors hit Hacker News. Here's how electric cars run without the magnets China controls, and who's shipping them.

Aerial view of data center infrastructure and power systems

Policy·2 months ago

The US government is about to make data centers show their power bills for the first time

The EIA confirmed it will develop a mandatory energy disclosure survey for data centers, two years behind Europe. Here's what it covers and why it matters.