Nissan and Honda have announced plans to merge by 2026 in a seismic shift for the Japanese auto industry. The two carmakers signed a memorandum of understanding that allows them to continue discussions about integration via a joint holding company,

Speculation about a potential Honda and Nissan merger began earlier this month, and the two companies confirmed the official start of talks Monday.

Japanese automakers Honda and Nissan will attempt to merge and create the world’s third-largest automaker by sales as the industry undergoes dramatic changes in its transition away from fossil fuels.