Construction site of a short 3 km test track in the Nevada desert to test lightweight prototype Hyperloop pods. Source: Neil Wood / Hyperloop One Hyperloop is a high speed, intercity transportation system which uses passenger and cargo capsules inside a reduced-pressure tube system that would reach a top speed of 1,300 km/h.

Solar Impulse 2 flying over the Torresol Energy’s Gemasolar Thermosolar Plant after taking off from Seville. Source: Jean Revillard / Rezo. Solar Impulse 2 landed in Abu Dhabi on 26 July 2016, completing the around-the-world trip in a total of 17 stages and 16-1/2 months; it was the first circumnavigation of the Earth by a piloted fixed-wing aircraft using only solar power.

The first eHighway system on a public road opened in June 2016. For the coming two years, a Siemens catenary system for trucks will be tested on a highway north of Stockholm. Source: Scania / CV AB

Photovoltaic sunshade 'SUDI', an autonomous and mobile station that replenishes energy for electric vehicles using solar energy, France. Source: Tatmouss

The Melbourne tramway network with its 250 kilometres of track, 493 trams, 25 routes, and 1,763 tram stops, is the largest urban tramway network in the world.