The name of the solar energy-powered aircraft which has recently completed its round-the-world trip is:

Correct option is C

The Solar Impulse-2 was a solar-powered aircraft that completed a historic round-the-world trip in July 2016. Piloted by Bertrand Piccard and André Borschberg, the aircraft made the journey without using any fuel, relying entirely on solar energy. The journey began in March 2015 from Abu Dhabi and ended in the same city after flying over 17 legs across the world, including stops in India, China, the United States, and Europe.