"It's certainly a good start to have a show car or production vehicle attributed to your name."

Several different systems have been developed recently, though they are still in stages of development and not installed on production vehicles.

"Sometimes it takes generations for elements to work their way into production vehicles," he said.

This brings them within the definition of a production vehicle in their country.

There are currently no production vehicles that use any of these designs.

The technology has slowly developed and is now being implemented in a small variety of production vehicles.

The first production vehicles were delivered around the middle of 1941.

Some of that style is now seen in production vehicles.

The first production vehicle was completed on 1 September 1951.

The first new production vehicles were taken into service in January 1982.