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Cleantech Biofuels, Inc. (CLTH) Stock Analysis

Educational signal · not a buy or sell recommendation · How to read this

$0.0001 $0.00 (0.00%) |CouncilSplit View · 45 · C
Vol: 89.0K| 52-wk range: $0.0001 – $0.0001
Data from FMP · Methodology

For informational purposes only. Not financial advice. Machine-generated analysis by Stock Expert AI — model gemini-2.0-flash, generated Mar 18, 2026. Editorial oversight is systemic, not page-by-page. Editorially accountable: Sedat ANAK, Founder and Editor-in-Chief. Data sources: Financial Modeling Prep, Yahoo Finance, SEC EDGAR

Quick Answer

Cleantech Biofuels, Inc. (CLTH) trades at $0.0001. Cleantech Biofuels, Inc. is a development stage company focused on converting municipal solid waste into cellulosic biomass. Sector: Basic materials.

Price as of Sep 11, 2026 · Last analyzed: Mar 18, 2026
Cleantech Biofuels, Inc. is a development stage company focused on converting municipal solid waste into cellulosic biomass. The company aims to construct a biomass recovery plant to produce feedstock for energy and chemical products, while also recycling materials like metals, plastics, and glass.

Analyst Coverage for CLTH: CLTH does not currently have published analyst price targets in our coverage universe. This is common for smaller-cap names with limited Wall Street coverage. In the absence of analyst consensus, our AI model evaluates CLTH against Basic Materials peers across nine fundamental dimensions and assigns a neutral fundamental signal based on the underlying data.

Watch the CLTH film Every key number, told as a short cinematic story — just press play. ~2 min

No score published: we hold no usable price for this ticker, and a grade beside a missing price says nothing.

Council Score · Weighted Average of 3 Disciplines
Split View 45/100 · C

CLTH: the 2 scored disciplines are evenly split. Dominant signal: Izzy Englander bullish.

How is this calculated? →
Legends Council · 5 Legends + Moon AI

AI simulations built from the named investors' published principles. Not affiliated with, endorsed by, or the opinion of these individuals. How these lenses are built

Englander-style lens (simulated)Izzy Englander
Favorable read
Klarman-style lens (simulated)Seth Klarman
Neutral read
Moon AI lens (model)
Unfavorable read
Munger's Mindset · Balance Sheet & Valuation
Financial Health
Weak
Margin of Safety
Fairly Valued
Council Score · Weighted Average of 3 Disciplines · See tabs for details →
The lenses are modelled on the published principles of the investors named. We are not affiliated with them, they have not endorsed this, and it is not their opinion of this stock.

Cleantech Biofuels, Inc. (CLTH) Materials & Commodity Exposure

Employees1
HeadquartersSaint Louis, United States

Cleantech Biofuels, Inc., in the basic materials sector, is a development stage company focused on converting municipal solid waste into cellulosic biomass for energy and chemical production. The company aims to establish a biomass recovery plant for feedstock production and recycling.

Data Provenance | Financial Data Quantitative Analysis Analysis: Mar 18, 2026

What Is the Investment Thesis for CLTH?

AI-written as of Mar 18, 2026 — figures and tone reflect the data available then, not today's score.

Cleantech Biofuels, Inc. presents a high-risk, high-reward investment opportunity given its development stage status and focus on an innovative waste-to-energy solution. The company's potential lies in its ability to capitalize on the growing demand for sustainable waste management and renewable energy sources. However, the company's success hinges on securing funding for and successfully constructing its biomass recovery plant. With a beta of 404.10, the stock exhibits extreme volatility, reflecting the speculative nature of the investment. Key value drivers include securing partnerships with municipalities for MSW supply and demonstrating the economic viability of its biomass conversion technology. The absence of a dividend reflects the company's focus on reinvesting capital into its development efforts. Investors should closely monitor the company's progress in securing funding, obtaining necessary permits, and achieving operational milestones.

Based on FMP financials and quantitative analysis

CLTH Key Highlights

AI-written as of Mar 18, 2026 — figures and tone reflect the data available then, not today's score.

Cleantech Biofuels, Inc. is a development stage company focused on converting municipal solid waste into cellulosic biomass.

  • The company intends to design and build a biomass recovery plant to offer biomass feedstock for producing energy and other chemical products.
  • The company also aims to provide recyclables, such as metals, plastics, and glass from the MSW.
  • The company was formerly known as Alternative Ethanol Technologies, Inc. and changed its name to Cleantech Biofuels, Inc. in 2007.
  • The company has a beta of 404.10, indicating very high volatility relative to the market.

Who Are CLTH's Competitors?

What Are CLTH's Key Strengths?

Focus on sustainable waste management.

  • Potential to generate revenue from both biomass and recyclables.
  • Location in Saint Louis, Missouri, provides access to MSW sources.
  • Experienced management team (if applicable).

What Are CLTH's Weaknesses?

Development stage company with no current revenue.

  • Reliance on securing funding for plant construction.
  • Unproven technology and business model.
  • Limited operating history.

What Could Drive CLTH Stock Higher?

Securing funding for biomass recovery plant construction.

  • Obtaining necessary permits and regulatory approvals.
  • Establishing partnerships with municipalities for MSW supply.
  • Development and optimization of biomass conversion technology.

What Are the Key Risks for CLTH?

Financial-distress signal — its Altman Z-Score of -13.12 sits in the distress zone (elevated bankruptcy risk).

  • Weak fundamentals — a Piotroski F-Score of 1/9 flags soft profitability, leverage or efficiency.
  • Failure to secure funding for plant construction.
  • Delays in obtaining permits and regulatory approvals.
  • Competition from established waste management companies.
  • Technological obsolescence.
  • Fluctuations in commodity prices for biomass and recyclables.

What Are the Growth Opportunities for CLTH?

  • Expansion of Biomass Recovery Plants: Cleantech Biofuels has the opportunity to expand its operations by building additional biomass recovery plants across the United States and Canada. The market for waste-to-energy solutions is growing, driven by increasing landfill costs and environmental concerns. Each plant represents a significant revenue stream through the sale of biomass feedstock and recycled materials. The timeline for expansion depends on securing funding and obtaining necessary permits, but the potential market size is substantial, estimated at billions of dollars annually.
  • Partnerships with Municipalities: Cleantech Biofuels can pursue partnerships with municipalities to secure a steady supply of municipal solid waste (MSW). Municipalities are increasingly seeking sustainable waste management solutions, and Cleantech Biofuels' technology offers a viable alternative to traditional landfills. These partnerships would provide the company with a reliable feedstock source and reduce its reliance on external suppliers. The timeline for securing these partnerships depends on the company's ability to demonstrate the economic and environmental benefits of its technology to local governments.
  • Development of Advanced Biomass Conversion Technologies: Cleantech Biofuels can invest in research and development to improve the efficiency and cost-effectiveness of its biomass conversion technologies. This could involve exploring new catalysts, optimizing process parameters, and developing innovative pre-treatment methods. By staying at the forefront of technological innovation, the company can maintain a competitive advantage and attract further investment. The timeline for developing these technologies is uncertain, but the potential rewards are significant, including increased profitability and market share.
  • Diversification into Other Renewable Energy Sources: Cleantech Biofuels can diversify its operations by exploring other renewable energy sources, such as solar, wind, and geothermal. This would reduce the company's reliance on biomass and provide it with a broader range of revenue streams. The company could leverage its existing infrastructure and expertise to develop and operate these renewable energy projects. The timeline for diversification depends on the company's strategic priorities and access to capital, but the potential market size is substantial, estimated at hundreds of billions of dollars annually.
  • Securing Government Subsidies and Incentives: Cleantech Biofuels can actively pursue government subsidies and incentives to support its operations. Governments around the world are increasingly offering financial support for renewable energy and waste management projects. By securing these subsidies, the company can reduce its costs and improve its profitability. The timeline for securing these subsidies depends on the company's ability to meet the eligibility criteria and navigate the application process, but the potential financial benefits are significant.

What Are CLTH's Competitive Advantages?

  • Proprietary biomass conversion technology (if developed and patented).
  • Strategic partnerships with municipalities for MSW supply.
  • First-mover advantage in specific geographic markets.
  • Access to government subsidies and incentives for renewable energy projects.

What Does CLTH Do?

Cleantech Biofuels, Inc., established in 1996 and formerly known as Alternative Ethanol Technologies, Inc., is a development stage company headquartered in Saint Louis, Missouri. The company focuses on providing cellulosic biomass derived from municipal solid waste (MSW) in the United States and Canada. Cleantech Biofuels intends to design and build a biomass recovery plant that will process MSW to offer biomass feedstock for the production of energy and other chemical products. In addition to biomass, the plant is designed to recover and provide recyclables, including metals, plastics, and glass, from the MSW stream. The company's core strategy revolves around creating a sustainable solution for waste management while simultaneously producing valuable resources. By converting MSW into biomass, Cleantech Biofuels aims to reduce landfill waste and provide a renewable energy source. The company's focus on cellulosic biomass positions it within the broader renewable energy and waste management sectors, addressing the growing demand for sustainable alternatives to traditional fossil fuels and waste disposal methods. While still in the development stage, Cleantech Biofuels envisions a future where its biomass recovery plants contribute to a circular economy by minimizing waste and maximizing resource utilization.

What Products and Services Does CLTH Offer?

  • Converts municipal solid waste (MSW) into cellulosic biomass.
  • Aims to design and build biomass recovery plants.
  • Offers biomass feedstock for energy production.
  • Provides biomass feedstock for chemical product manufacturing.
  • Recovers recyclables like metals, plastics, and glass from MSW.
  • Seeks to reduce landfill waste through biomass conversion.

How Does CLTH Make Money?

  • Generates revenue by selling cellulosic biomass derived from MSW.
  • Plans to generate revenue from the sale of recycled materials (metals, plastics, glass).
  • Aims to secure contracts with municipalities for MSW supply.
  • Seeks to license its biomass conversion technology to other companies.

What Industry Does CLTH Operate In?

Cleantech Biofuels operates within the specialty chemicals industry, a segment of the broader basic materials sector. The industry is characterized by companies that produce chemicals for specific applications, often involving innovative technologies. Cleantech Biofuels aims to disrupt traditional waste management practices by converting municipal solid waste into valuable biomass feedstock. The market for biomass-derived products is growing, driven by increasing demand for renewable energy and sustainable materials. However, the industry is also highly competitive, with established players and emerging startups vying for market share. Cleantech Biofuels' success depends on its ability to differentiate itself through technological innovation and cost-effective operations.

Who Are CLTH's Key Customers?

  • Energy companies seeking biomass feedstock for power generation.
  • Chemical companies using biomass as a raw material for product manufacturing.
  • Municipalities looking for sustainable waste management solutions.
  • Recycling companies processing recovered materials.
Model self-rating on this text: 69% (not a measure of the evidence) Updated: Mar 18, 2026

Research confidence

Low 20/100

Thin evidence — scoring coverage unknown. Treat this as a starting point, not a conclusion.

  • Scoring coverage unknown
  • Price is current
  • No filing on record
  • No analyst coverage

MoonshotScore History

Recorded daily since 2026-08-23 · 20 snapshots

2026-08-23 50
2026-08-27 50
2026-08-31 50
2026-09-04 50
2026-09-08 50
2026-09-11 50

What changed?

The score has stayed at 50.

Over the same 19 days the stock moved +0.0%.

F-Score 1/9

Financial Health

Cleantech Biofuels, Inc.'s Piotroski F-Score is 1/9, a 9-point checklist of profitability, leverage and efficiency — flagging fundamental weakness worth scrutiny. Its Altman Z-Score of -13.12 places it in the distress zone, a signal of elevated financial risk.

ROE 15%

Key Financial Metrics

Return on equity for Cleantech Biofuels, Inc. stands at 14.9%, a gauge of how efficiently it converts shareholder capital into profit. Return on assets is -30.0%, showing how much profit it generates from its asset base. A current ratio of 0.01 means current liabilities exceed short-term assets, a liquidity point worth watching.

Company Profile

Cleantech Biofuels, Inc. operates in the Chemicals - Specialty industry within the Basic Materials sector. It is headquartered in St. Louis, US. The company is led by CEO Edward Hennessey Jr.. CLTH has traded publicly since 2008.

CLTH Financials

Bull Case vs Bear Case

Bull Case

  • Focus on sustainable waste management.
  • Potential to generate revenue from both biomass and recyclables.
  • Location in Saint Louis, Missouri, provides access to MSW sources.
  • Experienced management team (if applicable).

Bear Case

  • Development stage company with no current revenue.
  • Reliance on securing funding for plant construction.
  • Unproven technology and business model.
  • Limited operating history.

AI-generated arguments based on insider flow, news sentiment and technicals — not financial advice · March 2026

CLTH Latest News

CLTH Analyst Consensus

Consensus Rating

Aggregated Buy/Hold/Sell recommendations collected by Financial Modeling Prep for CLTH.

Price Targets

Wall Street price target analysis for CLTH.

CLTH MoonshotScore

MoonshotScore is Stock Expert AI's proprietary 0-100 research rating, not a buy or sell recommendation. No MoonshotScore is published for CLTH; grades run from A+ (80-100) to F (below 30).

CLTH OTC Market Information

CLTH trades on the OTC Other market tier of OTC Markets.

  • OTC Tier: OTC Other

What Investors Ask About Cleantech Biofuels, Inc. (CLTH) — Basic Materials

Is CLTH a good stock?

Stock Expert AI does not rate CLTH buy, sell or hold. Cleantech Biofuels, Inc. has no MoonshotScore yet; read the financial checkup, analyst consensus and risks directly. Whether it fits is your call: check what it sells, whether it earns, what the price assumes, and what would prove you wrong.

What do analysts say about CLTH stock?

As of 2026-03-18, there is no available analyst coverage for Cleantech Biofuels, Inc. given its development stage and lack of revenue generation.

What are the main risks for CLTH?

The main risks for Cleantech Biofuels, Inc. include its development stage status, reliance on securing funding for plant construction, and unproven technology and business model.

What are the key factors to evaluate for CLTH?

Evaluate CLTH on fundamentals, analyst consensus, and risk factors. Cleantech Biofuels, Inc. is a development stage company focused on converting municipal solid waste into cellulosic biomass. Not financial advice.

How frequently does CLTH data refresh on this page?

CLTH's price was last updated on Sep 11, 2026 and refreshes on page view during U.S. market hours; the quote is a provider snapshot, not an exchange feed. Fundamentals follow quarterly filings. V2 calculations are scheduled daily at 10:15 UTC; the score's own date shows its last successful run.

What has driven CLTH's recent stock price performance?

Cleantech Biofuels, Inc. (CLTH) moves on earnings results, analyst revisions, sector rotation, and market sentiment. Notable catalyst: Focus on sustainable waste management. See the News tab for the latest drivers. Past performance does not predict future results.

Should investors consider CLTH overvalued or undervalued right now?

Cleantech Biofuels, Inc. (CLTH) has no trailing P/E available here, so lean on price-to-sales and cash flow in the Financials tab. Compare P/E, P/S, and EV/EBITDA against sector peers for a full view.

Can I buy fractional shares of CLTH?

Yes, most major brokerages offer fractional shares of Cleantech Biofuels, Inc. (CLTH) with no minimum purchase requirement. This means you can invest any dollar amount regardless of the share price. Check your brokerage platform for specific terms, fees, and fractional share availability.

Disclaimer: This content is for informational purposes only and does not constitute investment advice. Always do your own research and consult a financial advisor.

Official Resources

Price as of Analysis updated

MoonshotScore is not published for this security.

Data Sources & Methodology
Market data powered by Financial Modeling Prep & Yahoo Finance. AI analysis by Stock Expert AI proprietary algorithms. Technical indicators via industry-standard calculations. Last updated: .
Data Provenance
Sources: Financial Modeling Prep (FMP) — Primary · Yahoo Finance — Fallback · Alpaca — Tertiary
Last fetched:
Cache TTL: Quote 5min · Profile 7d · Financials 7d · Insider 48h
How we use AI: Numbers are pulled directly from FMP & Yahoo Finance — our AI writes the analysis, it never edits the figures.
Data provided as-is for educational purposes. Not financial advice. Methodology

Data provided for informational purposes only.

Analysis Notes
  • Information is limited due to the company's development stage.
  • Financial data is based on available information and may not be comprehensive.
Data Sources
Financial Modeling Prep (FMP)Stock Expert AI proprietary analysis

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