CLNE vs XOM

For growth investors, Clean Energy Fuels Corp.

(CLNE) is the stronger pick with 2. 2% revenue growth year-over-year, versus -4. 5% for Exxon Mobil Corporation (XOM). Exxon Mobil Corporation (XOM) offers the better valuation at 22. 2x trailing P/E (15. 0x forward), making it the more compelling value choice. Analysts rate Clean Energy Fuels Corp. (CLNE) a "Buy" — based on 22 analyst ratings — the highest consensus in this comparison. The "better buy" depends entirely on your goals: growth investors should weight revenue trajectory, value investors should weight P/E and PEG, and income investors should weight dividend yield and streak.

Over the past 5 years, Exxon Mobil Corporation (XOM) delivered a total return of +171.

8%, compared to -77. 1% for Clean Energy Fuels Corp. (CLNE). Over 10 years, the gap is even starker: XOM returned +107. 4% versus CLNE's -28. 9%. Past returns do not guarantee future results, and the stock with the higher historical return may already have its best growth priced in.

By beta (market sensitivity over 5 years), Exxon Mobil Corporation (XOM) is the lower-risk stock at -0.

15β versus Clean Energy Fuels Corp. 's 1. 19β — meaning CLNE is approximately -916% more volatile than XOM relative to the S&P 500. On balance sheet safety, Exxon Mobil Corporation (XOM) carries a lower debt/equity ratio of 16% versus 18% for Clean Energy Fuels Corp. — giving it more financial flexibility in a downturn.

By revenue growth (latest reported year), Clean Energy Fuels Corp.

(CLNE) is pulling ahead at 2. 2% versus -4. 5% for Exxon Mobil Corporation (XOM). On earnings-per-share growth, the picture is similar: Exxon Mobil Corporation grew EPS -14. 5% year-over-year, compared to -173. 0% for Clean Energy Fuels Corp.. Over a 3-year CAGR, CLNE leads at 0. 4% annualised revenue growth. Higher growth typically commands a higher valuation multiple — check whether the premium P/E or P/S is justified by the growth rate using the PEG ratio.

Exxon Mobil Corporation (XOM) is the more profitable company, earning 8.

9% net margin versus -52. 3% for Clean Energy Fuels Corp. — meaning it keeps 8. 9% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: XOM leads at 10. 5% versus -35. 0% for CLNE. At the gross margin level — before operating expenses — XOM leads at 21. 7%, reflecting greater pricing power or product mix advantage. Stronger margins indicate durable pricing power, lower cost of revenue, or higher mix of software/services. They are one of the clearest signs of business quality.

Analyst consensus price targets imply the most upside for CLNE: 56.

2% to $3. 50.

In this comparison, XOM (2.

7% yield) pays a dividend. CLNE does not pay a meaningful dividend and should not be held primarily for income.

For long-horizon retirement investors, Exxon Mobil Corporation (XOM) is the stronger choice — it scores higher on the combination of lower volatility, dividend reliability, and long-term compounding (low volatility (β -0.

15), 2. 7% yield, +107. 4% 10Y return). Both have compounded well over 10 years (XOM: +107. 4%, CLNE: -28. 9%), confirming both are viable long-term holds — but the lower-volatility option typically results in less emotional selling during corrections. Retirement portfolios generally favour predictability over maximum returns. Consult a financial advisor before making allocation decisions.

Both stocks operate in the Energy sector, making this a peer-level intra-sector comparison — the same macro tailwinds and headwinds will affect both.

XOM pays a dividend while CLNE does not, making them suitable for different income and tax situations. These fundamental differences mean investors should not choose between them on a single metric — the "better stock" depends entirely on which of these characteristics aligns with your investment strategy.