[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 ...

Discover how to build your own water-powered generator and turn everyday flowing water into clean, renewable electricity!

How many of you plan to build a wind-powered generator in the next year? Okay, both of you can put your hands down. Even if you don’t want to wind your coils manually, learning about the principles in ...

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 ...

Among other random weather events, the annual hurricane season—which runs through November—prompts many to rush out and buy portable generators, but you shouldn’t wait until disaster hits to acquire ...

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 ...