As far as electric vehicles go, electric bicycles are famously energy-efficient. Most can easily travel 100 miles (160 km) on around $1 of electricity. But what if instead of paying for that ...

[Michael Mogenson] built Firefly Jar – a simple circuit to light up flickering LEDs inside a standard Mason Jar, to give away to friends and family for the holidays. Given it’s simplicity and ...

Solar design in contemporary architecture is rooted in the profession's sustainable turn. The relationship between architecture and energy is tied to both passive strategies and performance via more ...

If you’re building a new home, it makes sense to do it in a way that employs free, renewable energy when it’s available. Most home designs don’t prioritize using energy they receive from the sun, but ...

DIY solar power projects have always been fascinating to me. I kind of wrote the book on the subject. And since electric bikes have always been a huge part of my life, combining the two has always ...

Design a year-round solar greenhouse that is entirely self-sufficient, relying only on the sun to provide all of its heating needs while growing more than traditional greenhouses and using less energy ...

The Small Home, Big Decisions series follows Jennifer and her husband, Tyler, as they build a self-reliant homestead on a piece of country property in northeastern Kansas. The series will delve into ...

Since ancient times, people have found ways to use the sun’s heat to stay warm or keep cool. They built homes from clay and other materials that hold heat well, and they placed them in ways that ...