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

GeoOrbital shows rethink of bicycle wheel concept

Something called the GeoOrbital wheel is live on KickStarter. This thing is worth looking at, considering that out of a $75,000 goal the makers have gathered $252,266—and with 43 days still left to go.

Electronics & Semiconductors

Rubber material holds key to long-lasting, safer EV batteries

For electric vehicles (EVs) to become mainstream, they need cost-effective, safer, longer-lasting batteries that won't explode during use or harm the environment. Researchers at the Georgia Institute of Technology may have ...

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

The battery that runs 630 km on a single charge

The number of newly registered electric vehicles (EVs) in Korea surpassed 100,000 units last year alone. Norway is the only other country to match such numbers. The core materials that determine the battery life and charging ...

Energy & Green Tech

Beyond lithium-ion: next generation battery research underway

New smartphones, portable devices and electric cars may get a lot of the public's attention but all of them are dependent on batteries to make them run. Most current devices use rechargeable lithium-ion batteries—technology ...

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