The FIA has announced that General Motors, under the Cadillac brand, will join Formula 1 as an engine supplier starting in 2028, marking a significant addition to the grid. This move comes as part of the new engine regulations set to be introduced in 2026, which aim to enhance the sport's sustainability and appeal. General Motors' entry into F1 is seen as a boost for the championship, bringing another major automotive manufacturer into the fold alongside existing and new suppliers like Audi, who are also set to join in 2026. The involvement of Cadillac is expected to contribute to the technological advancement and global popularity of Formula 1.