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Cleantech Biofuels, Inc. (CLTH) Stock Price & Analysis

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

$0.0001 $0.00 (0.00%)
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: Materials.

Price as of · 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.

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

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

Employees1
HeadquartersSaint Louis, United States
SectorMaterials

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?

CLTH is benchmarked below against 8 industry peers on price, market cap, and our AI MoonshotScore.

Company Price Change Market Cap MoonshotScore
FSI Flexible Solutions International, Inc. $6.12 +1.16% $78.0M —
CMT Core Molding Technologies, Inc. $23.50 +2.09% $209M —
HDSN Hudson Technologies, Inc. $5.23 -0.38% $220M —
ALTO Alto Ingredients, Inc. $3.79 +0.53% $294M —
GEVO Gevo, Inc. $1.29 -1.53% $314M —
OEC Orion Engineered Carbons S.A. $5.85 +1.04% $330M —
ADUR Aduro Clean Technologies Inc. $12.13 -1.22% $410M —
LWLG Lightwave Logic, Inc. $5.70 +4.78% $878M —

AI Score by Stock Expert AI · Price data: FMP / Yahoo Finance

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 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 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

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

  • ● Scoring coverage unknown
  • ● No usable price
  • ● No filing on record
  • ● No analyst coverage
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 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

CLTH Latest News

No recent news available for CLTH.

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) — Materials

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.

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
Figures come from Financial Modeling Prep (FMP). If FMP has no figure for a ticker, a price or fundamental may come from a Yahoo Finance fallback, or a price from an Alpaca fallback. SEC EDGAR is used only for filing links and company identity details (legal name, address), never for figures. 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