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Side-by-side financial comparison of Clean Energy Fuels Corp. (CLNE) and DIGI INTERNATIONAL INC (DGII). Click either name above to swap in a different company.

DIGI INTERNATIONAL INC is the larger business by last-quarter revenue ($122.5M vs $112.3M, roughly 1.1× Clean Energy Fuels Corp.). DIGI INTERNATIONAL INC runs the higher net margin — 9.6% vs -38.3%, a 47.8% gap on every dollar of revenue. On growth, DIGI INTERNATIONAL INC posted the faster year-over-year revenue change (17.9% vs 2.7%). DIGI INTERNATIONAL INC produced more free cash flow last quarter ($35.2M vs $6.5M). Over the past eight quarters, DIGI INTERNATIONAL INC's revenue compounded faster (6.6% CAGR vs 4.1%).

Bloom Energy is an American public company that designs and manufactures solid oxide fuel cells (SOFCs) which independently produce electricity onsite for power generation in data centers, manufacturing, and other commercial sectors. Founded in 2001 and headquartered in San Jose, California; its fuel cell technology generates electricity through a chemical conversion process, which differs from most other power sources reliant on combustion, and can use natural gas, biogas or hydrogen as fuel...

Digi International, Inc. is an American Industrial Internet of Things (IIoT) technology company based in Hopkins, Minnesota. Founded in 1985, they were best known in the early 1990s as a manufacturer of multi-line serial data serial cards for PC clones, allowing these machines to run multi-line bulletin board systems (BBSes). As this market began to wind down with the rise of the internet in the late 1990s, Digi began to concentrate on network attached devices and industrial monitoring.

CLNE vs DGII — Head-to-Head

Bigger by revenue
DGII
DGII
1.1× larger
DGII
$122.5M
$112.3M
CLNE
Growing faster (revenue YoY)
DGII
DGII
+15.2% gap
DGII
17.9%
2.7%
CLNE
Higher net margin
DGII
DGII
47.8% more per $
DGII
9.6%
-38.3%
CLNE
More free cash flow
DGII
DGII
$28.7M more FCF
DGII
$35.2M
$6.5M
CLNE
Faster 2-yr revenue CAGR
DGII
DGII
Annualised
DGII
6.6%
4.1%
CLNE

Income Statement — Q4 FY2025 vs Q1 FY2026

Metric
CLNE
CLNE
DGII
DGII
Revenue
$112.3M
$122.5M
Net Profit
$-43.0M
$11.7M
Gross Margin
62.4%
Operating Margin
-9.5%
13.3%
Net Margin
-38.3%
9.6%
Revenue YoY
2.7%
17.9%
Net Profit YoY
-42.6%
16.1%
EPS (diluted)
$-0.21
$0.31

Green = leading value per metric. Periods may differ when fiscal calendars don't align.

8-Quarter Revenue & Profit Trend

Side-by-side quarterly history. Quarters aligned by calendar period so offset fiscal years line up.

Revenue
CLNE
CLNE
DGII
DGII
Q4 25
$112.3M
$122.5M
Q3 25
$106.1M
$114.3M
Q2 25
$102.6M
$107.5M
Q1 25
$103.8M
$104.5M
Q4 24
$109.3M
$103.9M
Q3 24
$104.9M
$105.1M
Q2 24
$98.0M
$105.2M
Q1 24
$103.7M
$107.7M
Net Profit
CLNE
CLNE
DGII
DGII
Q4 25
$-43.0M
$11.7M
Q3 25
$-23.8M
$10.0M
Q2 25
$-20.2M
$10.2M
Q1 25
$-135.0M
$10.5M
Q4 24
$-30.2M
$10.1M
Q3 24
$-18.2M
$11.9M
Q2 24
$-16.3M
$9.7M
Q1 24
$-18.4M
$4.0M
Gross Margin
CLNE
CLNE
DGII
DGII
Q4 25
62.4%
Q3 25
63.9%
Q2 25
63.5%
Q1 25
62.1%
Q4 24
62.0%
Q3 24
61.1%
Q2 24
59.2%
Q1 24
57.9%
Operating Margin
CLNE
CLNE
DGII
DGII
Q4 25
-9.5%
13.3%
Q3 25
-12.8%
12.5%
Q2 25
-9.0%
13.9%
Q1 25
-121.7%
13.1%
Q4 24
-11.8%
12.9%
Q3 24
-8.1%
14.2%
Q2 24
-5.7%
12.3%
Q1 24
-9.0%
7.6%
Net Margin
CLNE
CLNE
DGII
DGII
Q4 25
-38.3%
9.6%
Q3 25
-22.4%
8.7%
Q2 25
-19.7%
9.5%
Q1 25
-130.1%
10.0%
Q4 24
-27.6%
9.7%
Q3 24
-17.3%
11.3%
Q2 24
-16.6%
9.2%
Q1 24
-17.8%
3.7%
EPS (diluted)
CLNE
CLNE
DGII
DGII
Q4 25
$-0.21
$0.31
Q3 25
$-0.11
$0.26
Q2 25
$-0.09
$0.27
Q1 25
$-0.60
$0.28
Q4 24
$-0.14
$0.27
Q3 24
$-0.08
$0.32
Q2 24
$-0.07
$0.26
Q1 24
$-0.08
$0.11

Balance Sheet & Financial Strength

Snapshot of each company's liquidity, leverage and book value from the latest quarter.

Metric
CLNE
CLNE
DGII
DGII
Cash + ST InvestmentsLiquidity on hand
$156.1M
$30.9M
Total DebtLower is stronger
$226.8M
$135.0M
Stockholders' EquityBook value
$559.4M
$649.2M
Total Assets
$1.1B
$918.4M
Debt / EquityLower = less leverage
0.41×
0.21×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
CLNE
CLNE
DGII
DGII
Q4 25
$156.1M
$30.9M
Q3 25
$232.2M
$21.9M
Q2 25
$240.8M
$20.1M
Q1 25
$226.6M
$26.3M
Q4 24
$217.5M
$25.9M
Q3 24
$243.5M
$27.5M
Q2 24
$249.3M
$28.3M
Q1 24
$248.9M
$23.8M
Total Debt
CLNE
CLNE
DGII
DGII
Q4 25
$226.8M
$135.0M
Q3 25
$284.3M
$159.2M
Q2 25
$277.9M
$40.1M
Q1 25
$271.6M
$70.0M
Q4 24
$265.4M
$95.0M
Q3 24
$264.1M
$123.2M
Q2 24
$263.0M
$151.6M
Q1 24
$262.0M
$171.8M
Stockholders' Equity
CLNE
CLNE
DGII
DGII
Q4 25
$559.4M
$649.2M
Q3 25
$585.2M
$636.1M
Q2 25
$590.8M
$621.5M
Q1 25
$596.7M
$605.2M
Q4 24
$713.3M
$590.7M
Q3 24
$724.8M
$581.0M
Q2 24
$723.0M
$563.1M
Q1 24
$722.9M
$549.6M
Total Assets
CLNE
CLNE
DGII
DGII
Q4 25
$1.1B
$918.4M
Q3 25
$1.1B
$922.6M
Q2 25
$1.1B
$770.3M
Q1 25
$1.1B
$781.0M
Q4 24
$1.2B
$796.1M
Q3 24
$1.2B
$815.1M
Q2 24
$1.2B
$820.4M
Q1 24
$1.2B
$825.3M
Debt / Equity
CLNE
CLNE
DGII
DGII
Q4 25
0.41×
0.21×
Q3 25
0.49×
0.25×
Q2 25
0.47×
0.06×
Q1 25
0.46×
0.12×
Q4 24
0.37×
0.16×
Q3 24
0.36×
0.21×
Q2 24
0.36×
0.27×
Q1 24
0.36×
0.31×

Cash Flow & Capital Efficiency

How much cash each business actually produces after reinvestment. Cash flow is harder to manipulate than net income.

Metric
CLNE
CLNE
DGII
DGII
Operating Cash FlowLast quarter
$13.1M
$35.6M
Free Cash FlowOCF − Capex
$6.5M
$35.2M
FCF MarginFCF / Revenue
5.8%
28.7%
Capex IntensityCapex / Revenue
5.9%
0.4%
Cash ConversionOCF / Net Profit
3.04×
TTM Free Cash FlowTrailing 4 quarters
$59.9M
$111.4M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
CLNE
CLNE
DGII
DGII
Q4 25
$13.1M
$35.6M
Q3 25
$13.1M
$28.0M
Q2 25
$35.9M
$24.0M
Q1 25
$23.4M
$26.3M
Q4 24
$21.9M
$29.7M
Q3 24
$21.4M
$26.4M
Q2 24
$18.8M
$24.9M
Q1 24
$2.6M
$13.1M
Free Cash Flow
CLNE
CLNE
DGII
DGII
Q4 25
$6.5M
$35.2M
Q3 25
$6.5M
$27.5M
Q2 25
$30.9M
$22.9M
Q1 25
$15.9M
$25.7M
Q4 24
$10.3M
$29.1M
Q3 24
$42.0K
$25.5M
Q2 24
$4.8M
$24.5M
Q1 24
$-15.6M
$12.5M
FCF Margin
CLNE
CLNE
DGII
DGII
Q4 25
5.8%
28.7%
Q3 25
6.1%
24.1%
Q2 25
30.2%
21.3%
Q1 25
15.4%
24.6%
Q4 24
9.5%
28.1%
Q3 24
0.0%
24.3%
Q2 24
4.9%
23.2%
Q1 24
-15.1%
11.6%
Capex Intensity
CLNE
CLNE
DGII
DGII
Q4 25
5.9%
0.4%
Q3 25
6.2%
0.4%
Q2 25
4.8%
0.9%
Q1 25
7.2%
0.5%
Q4 24
10.5%
0.6%
Q3 24
20.3%
0.9%
Q2 24
14.2%
0.5%
Q1 24
17.6%
0.5%
Cash Conversion
CLNE
CLNE
DGII
DGII
Q4 25
3.04×
Q3 25
2.81×
Q2 25
2.34×
Q1 25
2.50×
Q4 24
2.95×
Q3 24
2.23×
Q2 24
2.57×
Q1 24
3.27×

Financial Flow Comparison

Revenue → gross profit → operating profit → net profit for each company.

Revenue Breakdown by Segment

CLNE
CLNE

Volume Related Fuel Sales$73.6M66%
Services$15.1M13%
Station Construction Sales$10.7M9%
Volume Related Renewable Identification Number Credits$9.5M8%
Volume Related Low Carbon Fuel Standard Credits$3.4M3%

DGII
DGII

Io T Productsand Services$86.4M71%
Io T Solutions$36.1M29%

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