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The Hypercar® is a conceptual vehicle developed by the Rocky Mountain Institute (RMI) that integrates ultralightweight construction, ultra-aerodynamic design, and hybrid-electric propulsion to achieve extreme fuel efficiency without sacrificing safety or performance.

This research paper by the Rocky Mountain Institute (RMI) proposes the 'hypercar'—an ultralight, low-drag, hybrid-electric vehicle platform—as a means to accelerate the adoption of proton-exchange-membrane fuel cells (PEMFCs). By drastically reducing the energy required for propulsion, the hypercar platform mitigates the traditional challenges of hydrogen storage and fuel-cell cost, potentially allowing for the commercialization of hydrogen-powered transport years earlier than conventional vehicle designs would permit.

This report chapter outlines the 'Hypercar' concept—an ultralight, hybrid-electric vehicle designed to drastically reduce resource consumption and environmental impact. It argues that by combining carbon-fiber composites, aerodynamic streamlining, and hydrogen fuel cells, the automotive industry can move beyond the 'Iron Age' of steel-based manufacturing. The text further asserts that technological efficiency must be paired with urban planning and land-use reforms to reduce overall dependence on driving and mitigate social costs like congestion and sprawl.