Justification, first published as special notice
Automatic Engine Start Stop (AESS) continuation and Air Leak Fuel Penalty Study
FR26RDI20000000033
Federal Railroad Administration, 693JJ6 Federal Railroad Admin. Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology).
Awarded
$499,991.00 obligated so far on USAspending
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This one was awarded in 2026
127 like it are open now in research and development in the physical, engineering, and life sciences (except nanotechnology and biotechnology)
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Description
As published on SAM.gov with the special notice of April 23, 2026.
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 information on the fuel consumption and emissions penalty associated with the addition of a simulated break pipe air leak of 30 and 60 Standard Cubic Foot per Minute (SCFM) as a follow-on requirement to continue work previously performed by Southwest Research Institute under Contract No. (693JJ623C000028) during the base performance period.
The previous contract only identified the fuel penalties associated with the line haul and switcher duty cycles during continuous operation but did not identify the penalty associated with the additional time that the Locomotive Automatic Engine Start Stop (AESS) system needs to operate the engine to maintain the air pressure in the Main Reservoir (MR).
AUTHORITY
This sole source action is conducted under the authority of FAR 6.302‑1, implemented by 41 U.S.C. § 3304(a)(1), Only One Responsible Source.” No solicitation or request for quote is available.
PERIOD OF PERFORMANCE
June 30, 2026 - June 29, 2028
RESPONSE INSTRUCTIONS
This Notice of Intent is not a request for competitive proposals; however, interested parties may submit a capability statement that clearly demonstrates the ability to perform the Automatic Engine Start Stop (AESS) continuation and Air Leak Fuel Penalty Study without disruption, duplication of cost, or loss of program continuity. Capability statements must be received no later than 15 calendar days from the date of posting, by 2:00 PM Eastern Time. Oral communication will not be accepted.
Attachments
Files listed on SAM.gov. The ones we hold a copy of download from here; the rest open SAM's download, which needs no account.
- 04a. SwRI_AirLeaks_AESS_ SoleSourceJust_FAR_12.201-1_DBrabbSign.pdf295 KB, July 13, 2026
The contract, on USAspending
Federal procurement data the awarding office reported to FPDS, matched to this solicitation by its number.
- Recipient
- Southwest Research Institute
- UEI
- PB11V1KH3KV4
- CAGE
- 26401
- Vendor location
- San Antonio, TX
- Contract
- 693JJ626C000015, definitive contract
- Obligated
- $499,991.00
- Actions
- 1 between June 30, 2026 and June 30, 2026
- Competition
- Not Competed, 1 offer received
- Set-aside reported
- No Set Aside Used.
- Described as
- The Purpose of This Research to Evaluate the Effects of Air Leakage on Operations and Performance of Locomotive Automatic Engine Start/Stop System Understand the Impact of Excessive Air Leakage on Aess Ability to Operate as Intended.
- Match
- award number 693JJ626C000015 equals the contract number; same awarding office 693JJ6 (high confidence)
- Record
- USAspending award page
Publications
Every notice SAM.gov issued under this solicitation number, oldest first. Each is a separate record on SAM.
Points of contact
- Akwasi Kankamakwasi.kankam@dot.gov