The Yara Birkeland is what its builders call the world's first zero-emission, autonomous cargo ship. The ship is scheduled to make its first journey between two Norwegian towns before the end of the year. Click through to see more forms of transport set to transform the future.
It's not just maritime ships that are going green. Cities around the world are adopting electric ferries. Norwegian startup Zeabuz hopes its self-driving electric ferry (pictured here as a rendering) will help revive urban waterways.
In China, a new Maglev high-speed train rolls off the production line in Qingdao, east China's Shandong Province, on July 20. It has a top speed of 600 km per hour -- currently the fastest ground vehicle available globally.
Reaching speeds of up to 1,000 kilometers (620 miles) per hour, Hyperloop could be a sustainable replacement to short-haul flights. Dutch company Hardt (shown here as a rendering) started work on its Hyperloop test facility in Europe, anticipated to open in 2022.