Can the train be an alternative to the plane on domestic routes with less than two and a half hours flight time?
Many experts doubt the capacity of trains to absorb the transfer of passengers, and therefore the impact of such a measure on the environment.
Air France, for example, makes 520,000 people travel every year with the Paris-Bordeaux shuttle alone.
Many could opt for coaches or cars, which would have the opposite effect to that sought in terms of CO2 emissions.
The train, a means of transport responsible for only 1.8% of CO2 emissions (compared to 71% for the road), could nevertheless provide solutions.
But an intelligent train, capable of running on its own, of optimizing its speed in real conditions, of interacting with other trains traveling in front of and behind it, and of making decisions in the event of hazards.
This train of the future, followed to the nearest meter by navigation satellites such as GPS or Galileo, equipped with sensors
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