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Nature-inspired tech to move transport towards net-zero

E&T

million in 2020 to 11.2 Their PEM fuel cell can be 3D-printed or assembled from cheap printed circuit boards, which would enable manufacturing to be scaled up easily. The partly 3D-printed wind-tunnel model. Deloitte forecasts their numbers will grow from 2.5 million in 2025 and 31.1 million by 2030.