Why Realta Fusion is building a fusion reactor at an old hot dog factory

An old Oscar Meyer factory in Wisconsin will become America’s latest fusion power research and development hub.

New York State halts construction of all new data centers

New York has become the first state to temporarily halt approval of large data centers, as Gov. Kathy Hochul argues the AI-driven building boom shouldn’t come at the expense of higher electricity costs, water supplies, or local control.

Investors send General Fusion soaring in debut as first publicly traded fusion company

General Fusion started trading on the Nasdaq following a reverse merger that saw high redemptions.

Chevy built an all-American EV truck — why is nobody buying it?

The Chevy Silverado EV is a solid first draft of an EV pickup truck. Here’s what could make it better.

A warning sign about AI’s real cost, courtesy of Google and Amazon

AI has made it a lot harder for tech companies like Amazon and Google to deliver on their net-zero pledges.

Even Honda is pivoting to data centers

Honda wants in on the lucrative energy storage market. This week it began producing batteries destined for data centers, not driveways.

The Builders Stage brings practical strategies for scaling startups to TechCrunch Disrupt 2026

The Builders Stage is returning to TechCrunch Disrupt, bringing together founders, startup operators, and investors for practical conversations on what it takes to build and scale.

Realta Fusion generates electricity directly from a fusion reaction, an apparent first

Realta Fusion showed it could generate electricity from a fusion reaction, no steam turbine required.

Arcturus could halve the grid’s electrical losses using its nano-infused copper

Stealthy startup Arcturus uses lasers to infuse carbon nanomaterials into copper, dramatically improving its ability to conduct electricity.

Trump administration threatens 92 GW of new electricity supply with red tape

The Trump administration’s moves threaten $121 billion in new solar and wind power, two energy sources that are the biggest contributors to new capacity in the U.S.