> Rivian has significantly greater capabilities.

According to you, some random tech bro CEO who hasn't delivered hundreds of letters a day for decades and is just looking at cost and going "hey, this isn't the cheapest option, it must be one of those darn government projects meant to subsidize those annoying poor people!"

In reality, the USPS studied several other options in use by post offices around the world, from commercial vans to tricycles: https://www.uspsoig.gov/sites/default/files/reports/2023-01/...

They've since published further reports on things like how to tighten up the manufacturing contract, opportunities to use EV's, etc etc: https://www.uspsoig.gov/focus-areas/focus-on/next-generation...

But hey, I'm sure you know better!