Based on the aggregated intelligence of 180,000-plus investors participating in Motley Fool CAPS, the Fool's free investing community, alternative-fuel provider Clean Energy Fuels (NASDAQ:CLNE) has earned a coveted five-star ranking.

With that in mind, let's take a closer look at Clean Energy and see what CAPS investors are saying about the stock right now.

Clean Energy facts

Headquarters (founded)

Seal Beach, Calif. (2001)

Market Cap

$1.1 billion

Industry

Oil and gas refining and marketing

Trailing-12-Month Revenue

$321.1 million

Management

Co-Founder/CEO Andrew Littlefair

CFO Richard Wheeler

Return on Equity (average, past 3 years)

(8.9%)

Cash/Debt

$178.7 million / $338.0 million

Competitors

Atlas Copco

Chesapeake Energy

Mansfield Oil

Sources: S&P Capital IQ and Motley Fool CAPS.

On CAPS, 97% of the 1,742 members who have rated Clean Energy believe the stock will outperform the S&P 500 going forward.

Just last week, one of those bulls, LouPerna, succinctly summed up the Clean Energy bull case for our community:

With [natural gas] prices low and with major portions of the Natural Gas Hwy complete, industry has a compelling reason to switch to natural gas. This should lead to major revenue and profit increases over the next few years. The wide moat should discourage competition

Want to see how well (or not so well) the stocks in this series are performing? Follow the TrackPoisedTo CAPS account.

Fool contributor Brian Pacampara has no position in any stocks mentioned. The Motley Fool recommends Clean Energy Fuels. The Motley Fool has the following options: Long Jan 2014 $20 Calls on Chesapeake Energy, Long Jan 2014 $30 Calls on Chesapeake Energy, and Short Jan 2014 $15 Puts on Chesapeake Energy. Try any of our Foolish newsletter services free for 30 days. We Fools may not all hold the same opinions, but we all believe that considering a diverse range of insights makes us better investors. The Motley Fool has a disclosure policy.