Transportation

This simple kit turns your regular bike into an e-bike in minutes
Free Lyft robotaxis are hitting Las Vegas 
American Airlines plans to buy 20 supersonic planes
MIT’s new algorithm for self-driving cars is open-source 
Flying sports car cleared for takeoff by FAA
15th century futurism: Leonardo da Vinci’s famous helicopter design finally takes flight
You can ride this “flying” electric ferry in 2023 
Electric “seagliders” may soon skim the Hawaiian shoreline
This luxury solar electric car could go 7 months without recharging
$26K solar car now has a factory