[Paul Junkin] bought a curious product off the Internet. It was supposed to generate electricity when hooked up to a running hose. Only, it didn’t do a very good job. His solution was ...

The theory behind hydropower is very simple: water obeys gravity and imparts the gained kinetic energy onto a turbine, which subsequently drives a generator.  The devil here is, of course, in all ...

Ideally, you don’t use your portable generator often. But you don’t want this key piece of emergency equipment to let you down when you need it. How can you make sure your generator is always ready to ...

Every major storm season, the same pattern repeats: the power fails, the portable generators come out, and carbon monoxide quietly starts to build where it should not. You hear the rule of thumb about ...

When a power outage hits, getting left in the dark is just one of the concerns. An extended blackout is an inconvenience, but being without air conditioning, heating or necessary medical equipment is ...

Mike De Socio is a CNET contributor who writes about energy, personal finance, electric vehicles and climate change. He's also the author of the nonfiction book, "Morally Straight: How the Fight for ...