01.21.15 – USPS issued a request for information and prequalification/sources on FedBizzOpps.gov (Federal Business Opportunities) yesterday – 01.20.15 – stating:

The United States Postal Service is issuing a Request for Information and Prequalification/Sources Sought for its Next Generation Delivery Vehicle (NGDV) Acquisition Program.  The purpose of this RFI is to inform prospective suppliers on the USPS’s preliminary/draft specifications and plans for acquisition of NGDV fleet replacements.  The information contained in this RFI and Sources Sought announcement is considered the most current available information; however the USPS reserves the right to modify any and all provisions of the document contained within.

See the following descriptions for vehicle specs (PDF):

• Draft – Next Generation Delivery Vehicle Specification Part 1
• Draft – Next Generation Delivery Vehicle Specification Part 2

Source: FedBizzOpps.gov