Key Takeaways UPS will retrofit 5,000 delivery trucks with AC by 2027 to improve driver safety and comfort.A pilot program will test cargo-area cooling on 100 vehicles in high-heat regions.The labor-friendly initiative aligns with UPS' 2023-2028 contract with Teamsters.In a labor-friendly move, United Parcel Service (UPS) has inked a new letter of agreement with the UPS Teamsters National Negotiating Committee to speed up the rollout of air-conditioned vehicles under its existing five-year (2023-2028) natio ...