Scientists use cable oscillations caused by wind to generate electricity.
A 1.0-liter, three-cylinder engine increases fuel efficiency and lowers exhaust temperatures.
BMW, Ford and Chevrolet are testing a method to capture waste heat from car engines to improve gas mileage.
The Aero Train is a free-flying, robotic train-plain that levitates on a cushion of air.
A device that fits on the end of your thumb can generate five to ten times the power of similar devices.
An 18-hole floating course hopes to boost Maldivian economy while preserving the nation's ecosystem.
A novel battery produces electricity in places where freshwater meets saltwater.
New car-sharing services tap vast communities of idle cars.
Solar panels, wind turbines, batteries and diesel-thermal generators power this ship.
A new engine has the potential to triple the fuel efficiency of hybrid vehicles.