Q: Last year, we endured a power outage that lasted for days. After that experience, we decided to buy a generator, but we’re just not sure what to buy. How big of a generator do I need to power my ...

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When the power goes off, whether it’s because of a hurricane or heat stress on the power grid or just one downed tree, a generator can be a lifesaver. If your TV won’t turn on when "The Bachelorette" ...

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 ...