That's why we were excited to find the Efurden 2500-Watt Portable Generator on sale at Walmart for just $270. You can save over 50% on this must-have emergency device that will give you added peace of mind.

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 not just uncomfortable. It can be life-threatening.

A solid-state ionic bilayer generates stable electricity for over 60 hours through spontaneous ion migration alone, eliminating the need for mechanical, thermal, or environmental triggers.

Having a generator to provide backup power can be helpful, no matter where you live, but it’s downright essential if you reside in an area prone to extreme weather and frequent power outages. Sometimes you just need a way to keep your fridge running for ...

But here's the rub: conventional hybrids aren't the precise solution, either. The PowerBoost hybrid delivers a combined EPA fuel economy of 23 miles per gallon. That's better than the combined 19 MPG of the conventional V-6, and you get superior power, but your fueling costs are still comparatively higher than running fully electric.

For many environmental enthusiasts, horizontal-axis wind turbines (HAWTs) — the kind that look like windmills slowly spinning in the distance — are a pretty familiar sight. Unfortunately, there are quite a few caveats that make them harder to adopt ...