Stellantis has invested an additional $55 million in the electric air taxi company Archer Aviation following a successful test flight and other major milestones.

Rising costs and unsteady demand for EVs remain major sources of friction between automakers and their suppliers, according to a new survey examining supplier-automaker relationships.

Stellantis NV said its first-quarter revenue decreased 12% to $44.7 billion compared to last year as the company transitions to making a number of next-generation vehicles.