CES is the world's gathering place for all those who thrive on the business of consumer technologies. Here are the this year's highlights including robots and wearable devices.
Companies large and small are working on cleaning up the skies with electric airplanes, bringing back supersonic travel, and even flirting with the edge of space to transport passengers across the world.
Kanzas is the first major one in the U.S. to offer no-cost public transportation. Most of the world’s fare-free transit systems are in Europe, including a number of towns in Poland, France and Estonia's capital Tallinn.
Now the more affordable Tesla version has arrived. Model 3 will start at $35,000 with 130 mph top speed and 220 miles of range.
From the perspective of passengers, the main features of a world-class public transport system would include frequent, reliable and affordable services; a single ticketing system, new low-emission vehicles; and high-quality waiting facilities.
Elon Musk unveiled the very first tunnel in what he hopes will become a network of underground highways. The test tunnel runs between the headquarters of Musk's SpaceX company and a parking lot over a mile away.
A new report suggests that net zero emissions is achievable by mid-century, even in the hardest-to-reform sectors of the economy such as shipping, freight transport, cement manufacturing, plastics and aviation.