Which automotive recall is considered the largest in transportation history based on the number of vehicles affected?

Product recalls in the transportation industry can have massive implications for both manufacturers and consumers. They often involve complex logistics, significant costs, and potentially life-saving safety improvements. This trivia question tests your knowledge about one of the most significant automotive recalls in transportation history. Can you identify the correct information among these plausible scenarios?

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The 2009-2011 Toyota accelerator pedal recall affecting approximately 9 million vehicles worldwide
The 2014 General Motors ignition switch recall affecting approximately 30 million vehicles globally
The 2015-2020 Takata airbag recall affecting approximately 67 million vehicles across 19 automakers
The 2015 Volkswagen emissions scandal recall affecting approximately 11 million diesel vehicles worldwide