Featured in alternative energy
How flushing your toilet could help create biofuel
A new process emulates the way crude oil forms naturally— in only 45 minutes.
Solar Plane’s Evening Flight To NYC Cancelled
Dreams, Fantasies, and Realities: Inside Honda’s Japanese R&D Lab
Luxury supercars, hydrogen fuel cells, and fully autonomous cars -- in 15 years
Google Granted Patent For Better Robo Kite Windmill
A drone on a leash gets a safe resting place
2015: The Year Wind Power Moves Offshore
Surf's up for renewable energy
U.K. Supermarket To Run On Electricity Made From Its Own Rotting Food
The joys of anaerobic digestion
The Engineer Who Proposed Powering The World With A Solar Satellite
Plus, a look at Popular Science's predictions for the future of solar energy in 1972, just as solar-cell research was picking up.
Big Pic: The World’s Largest Solar Power Tower Field
Shining in the desert
Green Energy Scheme To Burn Beetle-Infested Trees For Electricity
A U.S. Forest Service program tries to make lemons into lemonade.
Michelin Invests In Plant-Based Tires
The company is worried about future shortages of a petroleum by-product that's a major ingredient in modern rubber tires.