Tree-cutting on a key stretch of a $1 billion hydropower project in western Maine is going to stop almost as soon as it started to protect the newly born young of a federally protected bat.

At issue is what PG&E calls Enhanced Powerline Safety Settings, or EPSS, in which circuit breakers automatically cut power to a block of customers within a tenth of a second when there’s a fault ...

The Circuit of the Americas’ 3.42-mile tarmac track is a textbook example of a heat island. Small pockets of foliage line the perimeter, providing little protection from heat and wind. During ...

For the first time researchers have run an electrical circuit entirely off power in trees. The findings suggest a new power source for wireless sensors -- and a way to monitor tree health.

FILE In this Feb. 8, 2017 file photo, a northern long-eared bat is held at the Cleveland Museum of Natural History, in Cleveland. Tree-cutting on a key stretch of a power line in western Maine is ...

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