Which product innovation significantly reduced emissions in urban public transportation and was first widely adopted in Curitiba, Brazil before spreading globally?

The transportation industry is constantly evolving through product innovation. From electric vehicles to autonomous technology, companies are revolutionizing how we move people and goods. This trivia tests your knowledge about a significant sustainable innovation that transformed public transportation in several major cities worldwide. Can you identify which technology made the breakthrough?

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Bus Rapid Transit (BRT) systems with dedicated lanes
Hydrogen-powered tram networks
Suspended monorail cable cars
Underground pneumatic tube transport