USPS has chosen Oshkosh Defense to replace its mail-delivery trucks. The elderly Grumman LLVs, in service since at least 1994, will be replaced by trucks with airbags and A/C. The design is yet to be finalized, but some will be electric. The new vehicles will include both battery-electric vehicles and those with low-emission internal-combustion engines. They are expected to be delivering mail by 2023.

