GM is celebrating the 50 th anniversary of the Chevy ... and innovations over the years. The Chevrolet Silverado initially launched as a trim option in 1975 for the C/K Series trucks.

It won't be until after that when more affordable models will go on sale, according to Chevy. Along with the WT, the Silverado EV will be offered in Trail Boss and other yet-to-be-revealed trim ...