Carbon Footprint from Vehicles by Model API

Carbon Footprint from Vehicles by Model API

This API calculates the footprint of a passenger vehicle based on its Make and Model, for a specific distance. There are two optional APIs to get the Model names of a Make. For Scope 1, this should be used to report travel in vehicles that are owned or controlled by the reporting organization. If not owned/controlled by organization, the vehicle's emission is reported under Scope 3.

CarbonSutra API calculates the carbon emission footprint for your organization. Hosted at ZYLA, it can be instantly tested by yourself at no cost.

This takes the Make and Model of a vehicle as inputs along with the distance travelled to calculate the emission. Our database contains over 140 Makes which cover over 4,500 models of vehicles. These are not only listed on our website for easy reference, but they can also be accessed via two additional APIs to get the values of Makes and their models.

API Documentation


Note: A list of every make and model used by this API is at

The Approach

We use emission factors, data, guidelines from sources like US Department of Energy, US Environmental Protection Agency and UK Society of Motor Manufacturers and Traders. To simplify the usage we have made two minor modifications in our algorithm: First, for dual fuel vehicles, the average of emissions from its conventional and alternative fuels is used. Second, if a model is released across multiple years by the same maker, then the emissions for that model are averaged.
The API to calculate the emission is simple: it just takes the Make and Model of a vehicle along with the distance travelled to calculate the emission. As our database contains over 140 Makes which cover 4,500 models of vehicles, we are providing two more APIs to get these values. In case there are specific models that you are calculating the emissions, the use of these two APIs is optional as the value of Make and Model can be picked from the database that is provided in Notes.

Ingested Data

VEHICLE_MAKE : Mandatory. Name of Vehicle Make (eg, Lexus)
VEHICLE_MODEL : Mandatory. Name of Vehicle Model (eg, RX 300) for the selected MAKE (eg, Lexus)
DISTANCE_VALUE : Mandatory. The distance travelled by vehicle.
DISTANCE_UNIT : Mandatory. The acceptable values are "km" for kilometers and "mi" for miles. This will default to "mi", if any other value is passed.


Emissions from Vehicles by Model - Endpoint Features
Object Description
vehicle_make [Required] Vehicle Make
vehicle_model [Required] Vehicle Model
distance_value [Required] The distance travelled by vehicle. Default value is 1.
distance_unit [Required] The acceptable values are "km" for kilometers and "mi" for miles. This will default to "mi", if any other value is passed.
Test Endpoint


                                                                                                                                                                                                                            {"data":{"type":"estimate-vehicle","distance_unit":"km","distance_value":"12000","vehicle_make":"Lexus","vehicle_model":"RX 300","co2e_gm":3603914,"co2e_kg":3603.91,"co2e_mt":3.6,"co2e_lb":7945.18},"success":true,"status":200}

Emissions from Vehicles by Model - CODE SNIPPETS

curl --location --request POST ' 300&distance_value=1200&distance_unit=km' --header 'Authorization: Bearer YOUR_API_KEY' 


API Access Key & Authentication

After signing up, every developer is assigned a personal API access key, a unique combination of letters and digits provided to access to our API endpoint. To authenticate with the Carbon Footprint from Vehicles by Model API REST API, simply include your bearer token in the Authorization header.


Header Description
Authorization [Required] Should be Bearer access_key. See "Your API Access Key" above when you are subscribed.

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