The team at Sapphire Technologies has developed equipment that generates zero-carbon electricity using natural gas pipeline pressure differentials. Sapphire CEO, Freddie Sarhan, is center-frame, sixth ...

A stream of compressed air does not look like a power source. In factories, it usually hisses through pipes, drives tools, then disappears as waste. But under the right conditions, that same airflow ...

Years of emergency prep taught me how to storm-proof my solar generators ...

Our editor-tested and researched portable and whole-home options keep appliances and other essentials running during an emergency—no matter what.