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CLNE customer relationships

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Clean Energy Fuels (CLNE): Customer Footprint, Contracting Signals, and What It Means for Revenue Predictability

Clean Energy Fuels monetizes by selling renewable natural gas (RNG), CNG and LNG to large fleet operators, owning and operating fueling stations, and providing O&M and related services—often charging per-gallon fuel fees and fixed or per-gallon maintenance fees. The company also monetizes environmental credits (RINs/LCFS) and benefits from structured customer incentives such as the Amazon warrant program that ties future consideration to fuel volumes. The business model is therefore volume-driven, geographically concentrated in North America, and operationally dependent on large fleet relationships.
Explore more detailed relationship analysis at https://nullexposure.com/.

Big-picture operating model signals investors need to track

Clean Energy’s disclosures reveal several commercially important constraints that shape revenue quality and risk:

  • Usage-based contracting posture. The company charges per-gallon fuel fees and often charges O&M on a fixed or per-gallon basis, which links cash flows directly to fleet utilization and fuel prices (according to the company's 2024 Form 10‑K).
  • North America-focused footprint. Operations and customers are in the U.S. and Canada, supported by 582 stations across 43 U.S. states plus 25 Canadian stations as of December 31, 2024 (10‑K).
  • Materiality with a single large customer. One customer accounted for 10% of consolidated revenue in 2024, indicating meaningful concentration risk even as the overall customer base exceeds 1,000 fleets (10‑K).
  • Multiple commercial roles. Clean Energy acts as seller, service provider, and manufacturer (it owns liquefaction plants), creating diversified revenue streams but exposing the company to capital and operating complexity (10‑K).
  • Large structured commercial commitments exist. The Amazon arrangement contemplates up to $500 million in tranches tied to fuel purchases, creating both upside and dependency on one buyer’s volumes (10‑K).

These are company-level signals drawn from Clean Energy’s FY2024 disclosures and shape how investors should view revenue volatility and contractual leverage.

Customer relationships — what’s on the roster and why it matters

Below are every customer relationship referenced in the FY2024 disclosures and related commentary, each summarized in plain English with source attribution.

Waste Management (WM)

Clean Energy fuels Waste Management refuse fleets and announced an extension to provide RNG to 85 of WM’s stations covering about 8,000 refuse trucks, reinforcing a large-scale, operationally significant partnership (WM extension referenced on the 2025 Q4 earnings call; FY2024 10‑K lists Waste Management as a refuse customer).

Republic Services

Listed among refuse customers whose vehicles are fueled by Clean Energy, Republic Services is part of the company’s core refuse market that consumes centralized fueling volumes (2024 Form 10‑K).

Waste Connections

Named as a refuse customer in the company’s FY2024 filing; Waste Connections represents another centralized-volume partner in the refuse segment (2024 Form 10‑K).

GFL Environmental

GFL is listed as a refuse customer, contributing to Clean Energy’s refuse station fueling volumes and concentrated market exposure to waste operators (2024 Form 10‑K).

Atlas Disposal

Included among refuse fleet customers; Atlas Disposal helps represent regional refuse demand within Clean Energy’s station network (2024 Form 10‑K).

Burrtec

Named in the FY2024 filing as one of the refuse operators whose trucks are fueled by Clean Energy’s RNG and conventional natural gas (2024 Form 10‑K).

CR&R

CR&R appears in the company’s list of refuse customers and contributes to the aggregate 16,100 refuse vehicles reportedly served (2024 Form 10‑K).

Recology

Recology is listed among refuse customers fueled by Clean Energy, underlining the breadth of refuse-operator exposure (2024 Form 10‑K).

Waste Pro

Cited as a refuse customer in FY2024, contributing to the company’s concentrated refuse market volumes (2024 Form 10‑K).

Los Angeles County Metropolitan Transit Authority

Named among public transit customers, representing municipal/regional transit demand for RNG and related fueling services (2024 Form 10‑K).

New York MTA

Included as a public transit customer, indicating penetration into large urban transit networks that refuel centrally (2024 Form 10‑K).

Foothill Transit

Listed as a public transit customer in Los Angeles County, reinforcing the company’s transit market presence in California (2024 Form 10‑K).

Orange County Transit Authority

Named among public transit clients, another municipal transit operator using Clean Energy’s fueling services (2024 Form 10‑K).

Santa Monica Big Blue Bus

Included in the public transit customer list; a localized transit operator served by Clean Energy (2024 Form 10‑K).

Dallas Area Rapid Transit

Listed as a public transit customer, showing geographic diversification across U.S. transit agencies (2024 Form 10‑K).

Phoenix Transit

Included among public transit customers, contributing to regional transit fueling volumes (2024 Form 10‑K).

New Jersey Transit

Named in the FY2024 filing as a public transit customer, representing a large northeastern transit agency relationship (2024 Form 10‑K).

Jacksonville Transportation Authority

Listed among public transit customers, adding to the company’s municipal transit footprint (2024 Form 10‑K).

NICE Bus (Nassau County, New York)

Included in the public transit roster, reflecting local transit partnerships in the New York area (2024 Form 10‑K).

Washington Metro Area Transportation Authority

Named as a public transit customer, indicating engagement with the D.C.-area transit network (2024 Form 10‑K).

UPS

UPS is listed among shippers and carriers that have started to use RNG-fueled trucks, indicating penetration into parcel logistics demand (FY2024 10‑K).

FedEx

Named as a shipper using RNG-fueled trucks, suggesting enterprise logistics customers are adopting Clean Energy’s fuels (2024 Form 10‑K).

USPS

Listed among shippers and carriers that have started using RNG, pointing to government or quasi-government fleet adoption of Clean Energy fuel (2024 Form 10‑K).

Amazon

Amazon is listed among shippers using RNG, and specifically tied to an Amazon warrant program: the company recognizes non-cash warrant charges as Amazon purchases fuel, and future Amazon-related tranches can total up to $500 million based on fuel volumes, making Amazon both a strategic growth partner and a concentration risk (2024 Form 10‑K).

Pepsi Frito‑Lay

Included among shippers and manufacturers adopting RNG for freight movement, representing CPG demand for low-carbon transport fuel (2024 Form 10‑K).

Anheuser‑Busch

Named as a shipper using RNG-fueled trucks, indicating brewery/logistics demand for low-carbon fuel solutions (2024 Form 10‑K).

Kroger

Listed among retailers using RNG-fueled trucks, representing grocery retail logistics demand (2024 Form 10‑K).

KeHe Distributors

Included in the list of shippers/distributors adopting RNG, reinforcing distribution and foodservice customer exposure (2024 Form 10‑K).

Kenan Advantage Group

Named among trucking and fleet customers using RNG, indicating partnerships with third-party fleet operators (2024 Form 10‑K).

Estes Express

Listed as a shipper using RNG-fueled trucks, representing freight carriers moving toward cleaner fuels (2024 Form 10‑K).

Investment takeaways and near-term monitoring

  • Revenue tied to volumes and a small number of large customers. With per-gallon pricing and major-account incentives (notably Amazon and WM), revenue will track fleet utilization and commercial wins; one customer accounted for 10% of revenue in 2024 (10‑K). This concentrates downside risk if a large partner reduces volumes.
  • Geographic concentration reduces diversification risk but increases regulatory exposure. North America is the addressable market and policy changes (LCFS, RINs) directly affect economics (10‑K).
  • Multiple revenue levers increase resilience but raise operational complexity. Selling fuel, providing O&M, operating plants, and selling environmental credits smooths revenue but requires execution across asset-heavy operations (10‑K).

For investors modeling CLNE, focus on contracted volume trajectories with large partners (Amazon, WM), LCFS/RIN price trends, and station uptime/O&M cost trends. Operational execution against large refuse and transit contracts will determine whether volume growth translates to profitable scale.

Learn more about customer-level exposure and commercial signals at https://nullexposure.com/.

If you want a tailored brief that maps these customers to near-term revenue scenarios or a concentration stress test, visit https://nullexposure.com/ for custom analysis and datasets.