Built for 50°C summers: Here's what Indian Railways can teach Europe about keeping trains cool

Europe's recent heatwaves have revealed vulnerabilities extending well beyond air conditioners. Extreme temperatures can ...

What's going on with Sunrun stock Friday?

Sunrun Inc RUN shares are trading lower by almost 2% during Friday’s premarket session as risk appetite softens with S&P 500 ...
IEEE Spectrum on MSN

Battery-powered air conditioners take a load off the grid

New Yorkers participate in virtual power plant ...