What are your thoughts on autonomous cars? They are unmanned ground vehicles 
I find them interesting, but a little frightening.
They can detect their surroundings, and use radar. I'm interested in where the driverless car technology goes.
They will certainly be used to replace truck drivers
Truck driver
A truck driver (commonly referred to as a trucker, teamster or driver in the United States and Canada; a truckie in Australia and New Zealand; a lorry driver, or driver in Ireland, the United Kingdom, India, Nepal and Pakistan) is a person who earns a living as the driver of a truck (usually a semi truck, box truck or dump truck).
Duties and functions.
Truck drivers provide an essential service to industrialized societies by transporting finished goods and raw materials over
which may replace steel car bodies include duralumin, fiberglass, carbon fiber, biocomposites, and carbon nanotubes. Telematics technology is allowing more and more people to share cars, on a pay-as-you-go basis, through car share and carpool schemes. Communication is also evolving due to connected car systems.
Emerging car technologies Autonomous car.
Fully autonomous vehicles, also known as driverless cars, already exist in prototype (such as the Google driverless car), but have a long way to go before they are