PolicyBrief
H.R. 5191
119th CongressSep 8th 2025
To direct the Under Secretary of Defense for Research and Engineering to issue guidance for private entities on demonstrating how biobased products meet Department of Defense requirements, and for other purposes.
IN COMMITTEE

This bill directs the Department of Defense to issue guidance for private entities on demonstrating how their biobased products meet military requirements and mandates a review of current DoD procurement processes to ensure they do not exclude such products.

Ro Khanna
D

Ro Khanna

Representative

CA-17

LEGISLATION

New DoD Rule Mandates Guidance for Biobased Products: Opening Defense Supply Chain to Sustainable Tech

When you hear about the Department of Defense (DoD), you probably think jets, tanks, and high-tech weaponry—not necessarily sustainable plastics or biologically derived materials. But this new legislation aims to change that by forcing the DoD to create a clear path for companies selling "biobased products" to get their foot in the door.

Specifically, the bill directs the Under Secretary of Defense for Research and Engineering to issue guidance within one year. This guidance must detail exactly how private companies can demonstrate that their biobased products—anything manufactured using living organisms to change materials—meet the military’s tough requirements. Think of this as the DoD finally publishing the instruction manual for innovative, potentially greener suppliers who want to sell to one of the world's largest buyers.

The Green Light for Green Tech

For manufacturers, especially small businesses and startups focused on sustainable materials, this bill is a big deal. The DoD is a massive market, but historically, its procurement processes have been opaque and favored traditional, established materials. This new guidance is designed to cut through that complexity. If you’re a company that has developed a durable, bio-plastic replacement for a military component, this bill gives you a standardized way to prove your product is up to spec, rather than having to navigate an ad-hoc approval process.

Who’s Checking the Homework?

It’s not just about creating a new rule; the bill includes a crucial oversight mechanism. It tasks the Comptroller General of the United States—the government’s top auditor—with investigating the DoD’s current buying process. The Comptroller General must look closely at whether the way the DoD writes its requirements accidentally or intentionally blocks biobased products from being considered. This is a smart check, acknowledging that bureaucratic language can often be the biggest barrier to innovation.

This audit has a one-year deadline, and if the Comptroller General finds that the current rules are indeed excluding biobased products, they must provide specific recommendations to Congress on how to fix it. This means the DoD won't just get a slap on the wrist; they'll get a detailed roadmap for correcting any unfair exclusions.

Real-World Supply Chain Shakeup

For everyday people, this legislation might not change your morning commute, but it points to a significant shift in government procurement. If successful, it means more investment and market opportunity for companies developing sustainable materials—the same materials that could eventually filter down into consumer goods, making everything from your car parts to your packaging potentially more environmentally friendly. It also means that existing defense contractors who rely solely on traditional, non-biobased materials will face increased competition and may need to adapt their supply chains quickly to stay relevant. Meanwhile, the DoD procurement offices will have the administrative burden of implementing the new guidance and responding to the audit, but the long-term benefit is a more modern and diversified supply chain.