Anjani Trivedi, Columnist

Toyota's Mobility Grab Risks Being All Talk

Announcements have to be followed by action.

Futuristic promises are Toyota’s modus operandi.

Photographer: Kyodo News/Getty Images

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Toyota Motor Corp. has big plans. But doesn’t it always?

In a statement Wednesday, Toyota said it would spend $1 billion buying a stake in Grab. The investment, Toyota’s second collaboration with Southeast Asia’s biggest ride-hailing service, is as large as it is vague.