The transportation sector remains a significant contributor to global greenhouse gas emissions. While electric vehicles (EVs) are gaining traction for personal transportation, powering larger vehicles like airplanes, ships and even long distance trucks and buses with batteries faces limitations due to range, weight limits and charging time constraints. Green hydrogen, produced through electrolysis using renewable energy sources, offers a compelling alternative for sustainable transportation across all scales. This essay explores the potential of green hydrogen as a clean fuel for powering electric vehicles, airplanes, and ships, focusing on infrastructure needs, technological advancements, and economic feasibility.

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