Clean Energy FuelsCLNE 67 PB Ratio is 0.84 as of Jul. 08, 2026, which is 13% below its 10-year median of 0.97. GuruFocus rates CLNE with a GF Score™ of 67/100 and a GF Value™ of $2.97 (Modestly Undervalued). The stock has 4 warning signs investors should review. Among 927 Oil & Gas companies, Clean Energy Fuels ranks better than 72.92% on this metric.
The historical rank and industry rank for Clean Energy Fuels's PB Ratio or its related term are showing as below:
CLNE'
s PB Ratio Range Over the Past 10 Years
Min: 0.49 Med: 0.97 Max: 6.68
Current: 0.84
During the past 13 years, Clean Energy Fuels's highest PB Ratio was 6.68. The lowest was 0.49. And the median was 0.97.
CLNE's PB Ratio is ranked better than 72.92% of 927
companies
in the Oil & Gas industry
Industry Median: 1.39
vs CLNE: 0.84
During the past 12 months, Clean Energy Fuels's average Book Value Per Share Growth Rate was -5.00% per year.
During the past 3 years, the average Book Value Per Share Growth Rate was -7.60% per year.
During the past 5 years, the average Book Value Per Share Growth Rate was -0.60% per year.
During the past 10 years, the average Book Value Per Share Growth Rate was -0.10% per year.
During the past 13 years, the highest 3-Year average Book Value Per Share Growth Rate of Clean Energy Fuels was 54.90% per year. The lowest was -19.10% per year. And the median was 2.00% per year.
Back to Basics: PB Ratio
Clean Energy Fuels (NAS:CLNE) PB Ratio Explanation
The PB Ratio works the best for the businesses that earn most of their profit from their assets, e.g. banks and insurance companies.
Be Aware
Some businesses have very light assets, such as software companies or insurance agencies. The PB Ratio does not work well for these companies. Some companies even have negative equity, so the PB Ratio cannot be applied to them.
Clean Energy Fuels PB Ratio Related Terms
Clean Energy Fuels PB Ratio Historical Data
* Premium members only.
The historical data trend for Clean Energy Fuels's PB Ratio can be seen below:
* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD. * For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.
For the Oil & Gas Refining & Marketing subindustry, Clean Energy Fuels's PB Ratio, along with its competitors' market caps and PB Ratio data, can be viewed below:
* Competitive companies are chosen from companies within the same industry, with headquarter located in same country, with closest market capitalization; x-axis shows the market cap, and y-axis shows the term value; the bigger the dot, the larger the market cap. Note that "N/A" values will not show up in the chart.
Clean Energy Fuels PB Ratio vs Oil & Gas Industry
For the Oil & Gas industry and Energy sector, Clean Energy Fuels's PB Ratio distribution charts can be found below:
* The bar in red indicates where Clean Energy Fuels's PB Ratio falls into.
The PB Ratio, or Price-to-Book ratio, or Price/Book, is a financial ratio used to compare a company's market price to its Book Value per Share. It is a ratio widely used to value stocks.
* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD. * For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.
It can also be calculated from the numbers for the whole company:
A closely related ratio is called Price-to-Tangible-Book. The difference between Price-to-Tangible-Book and PB Ratio is that book value other than intangibles are used in the calculation.
Clean Energy Fuels (CLNE) has a PB Ratio of 0.84 as of Jul. 08, 2026. Price-to-Book ratio is the ratio of share price to a company's book value per share. View historical data on Clean Energy Fuels and its competitors. This is 13% below median its historical median of 0.97. Over the past decade, Clean Energy Fuels' PB Ratio has ranged from 0.49 to 6.68. According to the industry distribution chart, Clean Energy Fuels ranks #251 out of 927 companies in the Oil & Gas industry, placing it in the top 27.1%.
Is Clean Energy Fuels' PB Ratio too high?
Clean Energy Fuels' current PB Ratio of 0.84 is 13% below median its 10-year median of 0.97. Over the past 10 years, this metric has ranged from a low of 0.49 to a high of 6.68. The Oil & Gas industry median PB Ratio is 1.39. Clean Energy Fuels' value of 0.84 is 39.6% below this industry median. Based on the distribution chart, Clean Energy Fuels ranks #251 out of 927 companies in the Oil & Gas industry, which is above the industry midpoint. Overall, Clean Energy Fuels has a GF Score™ of 67/100 and is considered Modestly Undervalued, reflecting its overall financial health beyond just this single metric.
How does Clean Energy Fuels' PB Ratio compare to SGU and FGPR?
According to the Oil & Gas industry distribution chart, Clean Energy Fuels ranks #251 out of 927 companies for PB Ratio. This puts Clean Energy Fuels in the upper half of its industry. The industry median PB Ratio is 1.39. Clean Energy Fuels' value of 0.84 is 39.6% below this benchmark. Historically, Clean Energy Fuels' own PB Ratio has ranged from 0.49 to 6.68 over the past decade. While the company's 10-year median is 0.97 vs. the industry median of 1.39, Clean Energy Fuels has consistently been below the industry average. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good PB Ratio for an Oil & Gas company?
The median PB Ratio among Oil & Gas companies is 1.39, based on 927 companies in the industry. Companies in the top quartile (top 25%) have a PB Ratio significantly above this median, while those in the bottom quartile fall well below. However, PB Ratio should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Clean Energy Fuels's current PB Ratio of 0.84 is 39.6% below the industry median. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high PB Ratio mean?
A high PB Ratio can signal that a stock is expensive relative to its fundamentals. Price-to-Book ratio is the ratio of share price to a company's book value per share. View historical data on Clean Energy Fuels and its competitors. For the Oil & Gas industry, the median PB Ratio is 1.39 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Clean Energy Fuels's current PB Ratio is 0.84, which is 13% below median its own 10-year median of 0.97. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Clean Energy Fuels stock overvalued right now?
Based on GuruFocus' analysis, Clean Energy Fuels (CLNE) is currently considered Modestly Undervalued. The stock's GF Value™ is $2.97, compared to a current price of $2.13 — trading 28.5% below its estimated fair value. The current PB Ratio is 0.84, which is 13% below median its 10-year median of 0.97 and 39.6% below the Oil & Gas industry median of 1.39. Clean Energy Fuels' overall GF Score™ is 67/100 with 4 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is PB Ratio calculated?
PB Ratio is calculated from a company's financial statements. For Clean Energy Fuels (CLNE), the current PB Ratio is 0.84 as of Jul. 08, 2026. GuruFocus calculates this using data sourced from SEC filings and annual reports. See the calculation section and 30-year financial data on this page for the full breakdown.
Is Clean Energy Fuels (CLNE) Overvalued in 2026?
Based on GuruFocus' analysis, Clean Energy Fuels stock appears to be undervalued.
The current stock price of $2.13 is trading 28.5% below its estimated GF Value™ of $2.97.
GuruFocus considers Clean Energy Fuels to be Modestly Undervalued.
Key valuation signals for CLNE:
PB Ratio: 0.84 (13% below median its 10-year median of 0.97)
GF Value™: $2.97 vs. price of $2.13 (28.5% below fair value)
Industry Position: 39.6% below the Oil & Gas median (#251 of 927)
No single metric tells the full story. See the CLNE stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Clean Energy Fuels Corp is a natural gas marketer and retailer operating in the United States and Canada. The company supplies compressed natural gas and liquefied natural gas for the United States (U.S.) and Canadian transportation markets. The majority of revenue is generated within the U.S. and mostly consists of compressed natural gas. The firm operates by purchasing natural gas from local utilities; compressing, cooling, or liquefying it at company-owned plants; and selling natural gas products through company-owned or customer-owned fueling stations. It also builds, operates, and maintains natural gas fueling stations for customers.
67GF Score
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