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 ...

Solar panels are a great way to generate electricity, and are in use around the world for applications ranging from powering small radios and even cities to military and space satellites. Although ...

I recently installed solar panels on Toad, a 32-foot steel sloop that the owner was fitting out for extended cruising. The goal was to maximize output with a simple self-managing system that would be ...

Learn renewable energy basics and generate serious solar excitement with easy DIY solar lighting. Many people dream of solar-electric power for their homes, but can’t afford whole-house systems.

Humankind is in the midst of a massive drive to harness solar energy to power our homes, gadgets, and industry. Plastic solar cells, based on blends of conducting organic polymers, are of interest for ...

Lawal Sheriff Olakunle with his solar fan. Living in Lagos, 33-year-old Lawal Sheriff Olakunle is used to electricity shortages. He considers 10–15 hours of electricity a day to be stable power. But ...