I don't think so. The air conditioning bit was a big point*, and it doesn't look like they've moved at all since June. The deal says they'll put AC in vehicles purchased from 2024 forward, but no retrofits except for a "heat shield" for the cabin. Unless UPS plans to replace its fleet in 2024 (it does not), it will be years before the vast majority of drivers have AC. More are going to die.
*because multiple deliverymen have died of heat-related illness while on the job, and it's otherwise a major long-term health concern
*because multiple deliverymen have died of heat-related illness while on the job, and it's otherwise a major long-term health concern