Ford tore up the moving assembly line concept and designed a better one, the company's CEO Jim Farley explained to a crowd ...

Mixed-model assembly line (MMAL): A production system where multiple variants of a product are assembled on the same line, requiring adaptable scheduling and part-feeding strategies.

The automaker says it will invest $2 billion to retool its Louisville plant, with the first vehicle assembled under the new system launching in 2027.

Ford, creator of the assembly line, is now splitting it in three.