CO₂ measurement –
Transparency from the very beginning

Know CO₂, compensate CO₂: We measure your vehicle now and again in four months – for a transparent balance and 100% compensation

Only what is measured can be changed
To ensure our study is meaningful, we start with a clear initial measurement and end with a final measurement. This is the only way to show how your consumption and CO₂ balance develop – transparent, comprehensible and individual.
This is how the measurement works
Workshop check at the beginning:
Emissions measurement, consumption & vehicle data
Study phase:
Consumption data via card + mileage reporting
Final measurement:
Comparison with starting values after 4 months
CO₂ report:
Your personal analysis + official compensation certificate
Measurement according to recognized standards
We work with official methods and check all data according to the highest standards:
Emission factors of the German Environment Agency (UBA)
Reference to WLTP & RDE standards for comparability
Compensation exclusively according to Gold Standard and Verra, including published project IDs
This is what your CO₂ balance looks like
An example: 60 liters of petrol per month correspond to around 142 kg of CO₂. We purchase and “retire” exactly 142 kg of CO₂ certificates – fully offsetting your emissions.
This way you always know:
Every liter, every kilowatt-hour is 100% compensated.
Trusted by drivers

Customer Reviews

Real stories from our CO₂befreit community

★★★★★
Overall rating
4.8
out of 5.0
20
reviews
★★★★★

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Frau Prof. Olga Feldmann

Leiter Rechtsabteilung

5.0
★★★★★

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Frau Dr. Angela Behrens

Vorstand Vertrieb

5.0
★★★★★

"Perferendis ab voluptatum mollitia esse accusamus. Eum nam praesentium perspiciatis reprehenderit. Dolor consequatur dicta velit asperiores."

HW

Heidi Witt

Vorstand Vertrieb

5.0
★★★★★

"Consectetur voluptas voluptates aut illum. Rerum quaerat non omnis qui necessitatibus nulla soluta. Eos laboriosam architecto magnam."

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Natalie Keller

Leiter Rechtsabteilung

5.0
★★★★★

"Quibusdam quia provident veritatis accusamus. Rerum saepe accusantium autem dicta numquam. Sapiente eveniet ullam unde tenetur."

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Elsbeth Voss

Geschäftsführender Gesellschafter

5.0
★★★★☆

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Karl-Ernst Schramm

Personalleiter

4.0
★★★★☆

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ES

Eugen Schütz

Finanzvorstand

4.0
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Anna-Maria Wimmer

Vorsitzender des Aufsichtsrats

5.0
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Klaus-Jürgen Brenner

Bereichsleiter

5.0
★★★★★

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Ellen Werner B.A.

Vorsitzender des Aufsichtsrats

5.0
★★★★☆

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Jolanta Falk

Personalleiter

4.0
★★★★★

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Erna Arnold

Betriebsleiter

5.0
★★★★☆

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Carla Rudolph B.Sc.

Abteilungsdirektor

4.0
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Wendelin Wiedemann

Kaufmännischer Vorstand

5.0
★★★★★

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Mina Straub

Personalleiter

5.0
★★★★☆

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Ingo Schütze B.Eng.

Geschäftsführender Gesellschafter

4.0
★★★★★

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EJ

Egon Jordan B.Sc.

Gesellschafter

5.0
★★★★☆

"Magni quaerat quam est. Velit possimus consequuntur cupiditate velit tempore non ut. Placeat et repellendus odio non ratione."

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Ludmilla Dörr MBA.

Abteilungsdirektor

4.0
★★★★★

"Tempora doloribus et quaerat nam repellat aspernatur. Maiores voluptatibus aut ab aspernatur. Voluptatum eum non et omnis."

HW

Hans-Gerd Walter

Betriebsleiter

5.0
★★★★☆

"Omnis maxime quisquam sed consequuntur voluptas repudiandae. Et laboriosam accusantium ea harum qui excepturi doloribus."

WS

William Scherer

Handlungsbevollmächtigter

4.0
CO₂befreit App
Mobile app
Download the app

Everything at a glance — with the CO₂befreit app

With our app, you always have full control over your fuel or charging card. Whether on the road or at home: the CO₂befreit app makes your mobility transparent, simple and sustainable.

Real-time CO₂ tracking
Card management
Monthly reports
Station finder
FAQs

Frequently asked questionsabout the CO₂befreit study

The CO₂befreit study is a research project in which selected participants can fuel or charge for free for four months. All CO₂ emissions generated are 100% compensated through certified climate protection projects. The goal is to scientifically examine driving behavior, awareness of emissions and acceptance of compensation solutions.

All drivers of petrol, diesel or electric vehicles who are regularly on the road can participate. We are looking for as broad a mix as possible: commuters, frequent drivers, occasional drivers and also small business owners. The only requirement is willingness to take part in the free measurements and share your driving data transparently.

You can choose between two card types:

  • Fuel card for fossil fuels (petrol/diesel)
  • Charging card for electric vehicles

Both cards are available as Virtual or Physical versions, and are flexibly configurable (national/international, car wash, ACE).

  • Fuel card: large network of partner stations in Germany, optionally internationally.
  • Charging card: thousands of public charging points, optionally Europe-wide via roaming.
  • Also usable at service partners such as car washes or ACE.

Participation is free. You only pay a one-time activation fee (€3.99 virtual / €9.99 physical + deposit). All fuel or charging volumes within your selected tariff are completely free of charge.

Three tariffs for both card types:

  • Standard: 60 L or 60 kWh / month
  • Commuter: 150 L or 150 kWh / month
  • Frequent driver: 300 L or 300 kWh / month

Before and after the study, your vehicle is checked free of charge at a partner workshop (emissions & consumption analysis). The card documents all fueling or charging. From this we create your personal CO₂ balance, which is fully compensated.

All emissions are offset through verified projects:

  • Reforestation programs
  • Renewable energy (wind, solar, hydro)
  • Clean cookstoves in developing countries

We use exclusively Gold Standard and Verra certified projects — each verifiable by certificate number.

Your card stays active as a permanent benefit card with:

  • Exclusive discounts when fueling or charging
  • Additional packages (car wash, ACE, international)
  • Monthly CO₂ reports for your climate balance

From 2027, fuel prices will rise significantly due to the new EU emissions trading system (+10–20 cents/liter estimated). With CO₂befreit, you experience today how to save costs while driving sustainably — and secure exclusive benefits not yet available on the market.

Still have questions? Our support team is happy to help.

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