Clean Energy Fuels (Nasdaq: CLNE) reported earnings on May 7. Here are the numbers you need to know.

The 10-second takeaway
For the quarter ended March 31 (Q1), Clean Energy Fuels missed estimates on revenues and exceeded expectations on earnings per share.

Compared to the prior-year quarter, revenue improved and GAAP loss per share grew.

Margins shrank across the board.

Revenue details
Clean Energy Fuels booked revenue of $73.6 million. The seven analysts polled by S&P Capital IQ wanted to see a top line of $81.4 million on the same basis. GAAP reported sales were 13% higher than the prior-year quarter's $65.3 million.

Source: S&P Capital IQ. Quarterly periods. Dollar amounts in millions. Non-GAAP figures may vary to maintain comparability with estimates.

EPS details
EPS came in at -$0.16. The eight earnings estimates compiled by S&P Capital IQ averaged -$0.18 per share. GAAP EPS were -$0.37 for Q1 compared to -$0.14 per share for the prior-year quarter.

Source: S&P Capital IQ. Quarterly periods. Non-GAAP figures may vary to maintain comparability with estimates.

Margin details
For the quarter, gross margin was 24.1%, 400 basis points worse than the prior-year quarter. Operating margin was -20.7%, 510 basis points worse than the prior-year quarter. Net margin was -43.3%, 2,840 basis points worse than the prior-year quarter.

Looking ahead
Next quarter's average estimate for revenue is $85.9 million. On the bottom line, the average EPS estimate is -$0.16.

Next year's average estimate for revenue is $371.7 million. The average EPS estimate is -$0.63.

Investor sentiment
The stock has a four-star rating (out of five) at Motley Fool CAPS, with 1,489 members out of 1,537 rating the stock outperform, and 48 members rating it underperform. Among 272 CAPS All-Star picks (recommendations by the highest-ranked CAPS members), 260 give Clean Energy Fuels a green thumbs-up, and 12 give it a red thumbs-down.

Of Wall Street recommendations tracked by S&P Capital IQ, the average opinion on Clean Energy Fuels is hold, with an average price target of $21.

Is Clean Energy Fuels the right energy stock for you? Read about a handful of timely, profit-producing plays on expensive crude in "3 Stocks for $100 Oil." Click here for instant access to this free report.

This article represents the opinion of the writer, who may disagree with the “official” recommendation position of a Motley Fool premium advisory service. We’re motley! Questioning an investing thesis -- even one of our own -- helps us all think critically about investing and make decisions that help us become smarter, happier, and richer.