Energy & Green Tech

U.S. renewable electricity surpassed coal in 2022

Electricity generated from renewables surpassed coal in the United States for the first time in 2022, the U.S. Energy Information Administration announced Monday.

Energy & Green Tech

A new way to store sustainable energy: 'Information batteries'

A future powered by sustainable energy sources could save the world from devastating climate change and reduce energy bills. But renewable energy has an intermittency problem—the sun provides no power at night, while winds ...

Robotics

Avocado robot swings its way to unexplored treetops

It abseils from a height and swings around obstacles: Robot Avocado will one day maneuver through the canopy of the rainforest and collect data for researchers about this hard-to-reach habitat.

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