India launches world's first solar powered airport
IndiGo confirms record order for Airbus A320 planes
Brazilian builds water-powered motorbike
Chimaera device paves way for wireless pain relief
Solar Impulse: global flight abandoned until 2016
Swiss postal service test drives drones for future deliveries
Joy of solar power pilot after Hawaii landing
The end of the road for Uber? Executives detained by French police
Solar plane re-starts record bid