Honda has worked with GM in a series of collaborations that did not involve any exchange of corporate equity. In 1993, GM controlled Isuzu and signed a deal to supply its Rodeo to become Honda’s first SUV,

Rumors have it that Japan’s Ministry of Economy, Trade and Industry helped to influence the deal to avoid Foxconn's takeover of Nissan after METI endorsed the merger. This set off alarms for scorned ex-Nissan CEO Carlos Ghosn who is watching the unknown unfold from the sidelines.

Facing extreme competitive pressure from the rise of Chinese EV makers, the Nos. 2 and 3 Japanese automakers turn to each other to build strength.

Honda's shares went up by as much 17% when local markets opened on Tuesday.

The proposed deal aims to unify operations under a joint holding company, led by Honda, while maintaining the distinct identities of each brand, according to Honda's president, Toshihiro Mibe. If finalized, the merger would position the combined entity to better compete with market leaders Toyota and Volkswagen.

Japanese automakers Nissan and Honda have announced plans for a merger that would catapult them to a top position in an industry that's in flux as it transitions away from its reliance on fossil fuels.

"Today marks a pivotal moment as we begin discussions on business integration that has the potential to shape our future,” said Nissan Director, President, CEO, and Representati