Which major transportation company pioneered the first carbon-offset loyalty program where passengers could earn double points for choosing biofuel flights?

The transportation industry is increasingly focusing on sustainability while enhancing customer loyalty programs. Major transportation companies have launched innovative initiatives to reward environmentally conscious choices. This trivia tests your knowledge about how the transportation sector is merging sustainability goals with customer retention strategies. How familiar are you with these cutting-edge loyalty programs that are reshaping the industry?

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KLM Royal Dutch Airlines with their 'Fly Responsibly' program in 2019
Delta Air Lines with their 'SkyMiles Green' initiative in 2018
Deutsche Bahn with their 'Climate-Conscious Travel' rewards in 2017
Japan Railways Group with their 'Eco-Points System' in 2020