From the low rumble of diesel engines to the near-silent operation of electric compressors, a green revolution in cold chain transportation is quietly unfolding globally. On a city street in the early morning, a white electric van silently drives by, leaving no exhaust fumes and barely audible of its familiar roar. Only the even, low hum of the refrigeration unit inside the van protects the temperature-sensitive food and medicine. This is no longer a vision of the future, but a rapidly spreading reality in global cold chain logistics.