Energy & Green Tech

Good news for rooftop solar, not for home batteries

The energy produced over the lifetime of typical rooftop solar panels more than makes up for the energy it takes to make, mount and then eventually recycle them. But adding a home battery usually lowers those dividends, according ...

Engineering

Researchers 'shift the sun' to improve solar cells

Solar cells are a key feature of creating a sustainable energy ecosystem for the future. Existing solar arrays and cells can produce clean energy from the most abundant source in nature. But increasing their efficiencies ...

Energy & Green Tech

Heavy-duty trucks drive clean hydrogen to the next level

Greenhouse gas emissions have been declining steadily in the EU in recent years, dropping by over a quarter between 1990 and 2019. However, transport is one sector that has bucked the trend, despite advances in technology.

Energy & Green Tech

France to try again with solar road plan

French local authorities said Wednesday that a high-profile "solar highway" experiment in Normandy had failed, but vowed to try again with new panels on a shorter stretch of road.