Drive smarter. Offset automatically.
Puramile connects to your car via OBD2 Bluetooth, calculates your real fuel burn and CO₂ emissions, then makes it easy to purchase verified carbon offsets.
How it works
1
Plug in
Connect an ELM327 Bluetooth OBD2 adapter to your car's diagnostic port.
2
Drive
Puramile reads real-time fuel flow from your engine and calculates exact CO₂.
3
Offset
Purchase certified carbon credits through Patch.io directly in the app.
Features
Real fuel data
Calculated from live OBD2 MAF/MAP sensor readings — not odometer estimates.
Trip history
Every drive logged with distance, fuel used, and CO₂ produced.
Verified offsets
Credits sourced from certified Patch.io projects with transparent pricing.
Public profile
Opt-in to share your offset record and inspire others.