Automatic Engine Start Stop (AESS) continuation and Air Leak Fuel Penalty Study

Name: Automatic Engine Start Stop (AESS) continuation and Air Leak Fuel Penalty Study
Creator: FEDERAL RAILROAD ADMINISTRATION
Published: 2026-04-23T00:00:00+00:00
Keywords: CONTRACT

FEDERAL RAILROAD ADMINISTRATIONTRANSPORTATION, DEPARTMENT OF.FEDERAL RAILROAD ADMINISTRATION.693JJ6 FEDERAL RAILROAD ADMIN

AI Overview

Sole-source continuation contract with Southwest Research Institute to quantify fuel and emissions penalties from Automatic Engine Start Stop system air leaks in locomotives.

This summary is AI-generated from the official solicitation.

Key Details

Agency

FEDERAL RAILROAD ADMINISTRATION

Funding Amount

—

Release Date

April 23, 2026

Due Date

May 14, 2026 (Closed)

Official Description

FR26RDI20000000033 - NOTICE OF INTENT TO AWARD A SOLE SOURCE CONTRACT THIS IS A NOTICE OF INTENT (NOI) TO AWARD A SOLE SOURCE CONTRACT AND IS NOT A REQUEST FOR COMPETITIVE PROPOSALS. The Federal Railroad Administration (FRA) intends to award a sole-source contract to Southwest Research Institute to identify the fuel and emissions penalty of the Automatic Engine Start Stop (AESS) system not being able to keep the locomotive shutdown due to air leaks. This is in addition to the available informati...

View on official source

Change History

Opportunity AddedApr 23, 2026 at 5:33 PM