Solar powered cars could soon hit the streets — but can they be efficient enough to go mainstream? 
autonomous race cars
Autonomous race cars compete for $1 million prize
airless tires
Airless tires get their public test drive
Foldable electric cars join emergency response fleet in Israel
AI is helping cars spot potholes 
robot test drivers
Ford replaces humans with robot test drivers
flying race car
Flying race car zips across the sky for the first time
lidar autonomous cars
How lasers will create ‘uncrashable’ cars
vertical EV battery
Vertical EV battery may cut costs, improve range by 30%
solid-state lithium battery
New solid-state lithium battery can be recharged 10,000 times