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註釋Existing conventional modes of transportation of people consists of four unique types: rail, road, water, and air. These modes of transport tend to be either relatively slow (e.g., road and water), expensive (e.g., air), or a combination of relatively slow and expensive (i.e., rail). A growing global economy requires faster, cheaper, safer and more efficient transportation modes. Our roads, airports, and ports are congested. We haven't had a major new form of transport in 100 years, and we're due for one, especially one that is ultra-fast, on-demand, direct, emission-free, energy efficient, quiet and has a smaller footprint than other high-speed transport modes. My focus is on how we can leverage emerging technologies to improve the way we travel.