Solar Impulse

At 44 hours and 11 minutes, the solar-powered plane broke its own record for the longest continuous flight using only solar power

The solar-powered plane has reached the 'point of no return' for its 120-hour leg, as it attempts to set two world records

Swiss-built Solar Impulse 2 completes 1,468km flight from Muscat to Ahmedabad as part of round the world attempt

Swiss-built Solar Impulse 2 takes off from Abu Dhabi on 35,000km journey powered only by the sun

Swiss team behind Solar Impulse 2 reveal planned route for 35,000km circumnavigation that should be completed without using a drop of fuel

Solar plane takes first step towards round-the-world mission by completing inaugural test flight in Switzerland

Solar Impulse 2 sets March 2015 launch date for solar-powered circumnavigation of the globe

Engineering giant signs up to Solar Impulse project to complete round-the-world solar powered flight

Solar Impulse touches down in New York completing final leg of journey from Washington DC

Swiss-built solar-powered plane successfully travels across the continent to highlight potential of zero-emissions transport