These models juice up your refrigerator, air conditioner, and other essentials during an emergency—no matter what.

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Save an incredible 45% on this editor-recommended Duromax model.

Save hundreds of dollars on powerful battery backups from Anker, Jackery, Bluetti, and more during this Home Depot sale.

Below, we’ve identified four backup generators that will have you comfortable, cozy and connected even as cats and dogs fall ...

Christine and Scott Gable are hybrid auto and alternative fuel experts who have brewed their own biodiesel and traveled 125,000 miles on waste vegetable oil. Electric vehicles rely exclusively on ...

Over the past decade, there has been a significant change in the U.S. system of power generation in the lower 48 states. The major factors that resulted in these changes were the discovery of new ...

Solar and wind are ahead of coal in the US power mix, generating nearly 20% more power in the first seven months of 2025, ...

[This article was first published in Army Sustainment Professional Bulletin, which was then called Army Logistician, volume 2, number 4 (July–August 1970), pages 18–21. The text is reproduced as ...