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Deployable rear step with diffuser can improve efficiency for electric trucks
Stellantis has patented a deployable diffuser that can also be used as a step up to the bed. The diffuser would increase efficiency while also making bed access easier. Active aerodynamics and step ups aren’t new, but combining the two would be a first. Ram may be looking to turn the humble step up into an active aerodynamic feature that could help increase range in the future…