The leading installer of rooftop solar panels says it has achieved record efficiencies with its panels.
A promising battery startup has run into problems commercializing its novel technology.
The renewable-energy certificate system has gotten more transparent, but improvements are still needed.
The revelations about Volkswagen’s diesel emissions hurt not only the German carmaker, but the diesel industry overall.
Novel molecular structures are a first step toward economical carbon capture at a wide scale.
Advanced lithium-ion chemistries offer cooler operation, longer life spans.
The focus of research on fusion power has moved from big government programs to startups with novel designs.
Researchers have shown a new way to help solar cells track the sun as it moves across the sky, which could boost a panel’s energy generation by 40 percent.
A seemingly unsubstantial particle called a neutrino is opening a new window on the world.
This $1 billion global sensing network records 26 gigabytes of data per day and will detect a nuclear bomb anywhere in the world.