Which IoT innovation has reduced urban bus fleet fuel consumption by up to 30% in cities where it's been fully implemented?

The transportation industry is undergoing a massive transformation with Internet of Things (IoT) technology. From smart traffic management to connected vehicles, IoT is reshaping how we move people and goods. This trivia question tests your knowledge about a groundbreaking IoT implementation that has significantly improved urban transportation efficiency in recent years.

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Predictive maintenance sensors that optimize vehicle servicing schedules
Real-time route optimization systems that adjust bus paths based on traffic and passenger demand
Passenger counting systems that track occupancy and adjust vehicle dispatch frequency
Smart ticketing systems that enable contactless payments and reduce boarding times