Which high-speed rail service was the first to achieve carbon neutrality for all its journeys through a combination of renewable energy use and carbon offsetting programs?

The transportation industry is rapidly evolving to address climate concerns, with various companies implementing innovative sustainability initiatives. High-speed rail networks, in particular, have been at the forefront of eco-friendly transport solutions worldwide. Test your knowledge about which transportation companies are leading the charge in sustainable practices and how they're making a difference in reducing the carbon footprint of travel.

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Eurostar (UK/France/Belgium/Netherlands)
Shinkansen (Japan)
Deutsche Bahn ICE (Germany)
Amtrak Acela (USA)