WASHINGTON -- The Treasury Department on Friday fleshed out a proposed rule that would restrict and monitor U.S. investments in China for artificial intelligence,...
CHARLOTTE, N.C. — Electric vehicles, and the batteries that power them, generally perform well in hot weather, but extreme heat can cut their range...
KYIV, Ukraine -- During daytime, entire districts of Ukraine's capital are disconnected from the power grid to save energy. Traffic lights stop, choking traffic,...