I agree that wind-damage is the likely culprit. That's why I asked about the "ride" home. I experienced exactly the same thing decades ago when I drove 30 miles from a nursery to my home with a pickup full of landscape plants. Though it was spring/summer, the wind generated by driving 60-65mph severely damaged most of those plants and I ended up losing a dozen plants of one particularly sensitive variety. None of these were citrus though.
