A prototype close prototypeAn early or first version of a product being developed. is an early version of a product close productSomething that is made to be bought or sold. that designers make.

Chevrolet is introducing its Blazer EV.R NASCAR prototype. Chevrolet calls it an "example of the brand continuing to test, learn, and explore new technologies that could be applied to both ...

Last year, NASCAR finally unveiled a prototype meant to illustrate what ... The brand instead says that it is "an example of Chevrolet continuing to test, learn, and explore new technologies ...