The electric trucks have a side cargo door, more space and, critically, air conditioning, promising some long-overdue relief for carriers, who haven’t had an upgrade since the 1980s. Postal Service (US), Air Conditioning, Postal Service and Post Offices, Freight (Cargo), Electric and Hybrid Vehicles, Athens (Ga), Trucks and Trucking, Fuel Efficiency The electric trucks have a side cargo door, more space and, critically, air conditioning, promising some long-overdue relief for carriers, who haven’t had an upgrade since the 1980s. NYT > Business