Which transportation product recall became the largest in history, affecting over 100 million vehicles worldwide and leading to multiple bankruptcies?

In the transportation industry, product recalls can significantly impact both consumer safety and brand reputation. Major recalls often lead to new industry standards and regulations that transform how vehicles are designed and manufactured. This trivia question focuses on one of the largest and most consequential auto recalls in history, which fundamentally changed how the industry approaches passenger safety systems.

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Takata airbag inflators (2008-2023)
Toyota unintended acceleration issues (2009-2011)
GM ignition switch defect (2014-2017)
Volkswagen diesel emissions scandal (2015-2020)