Our footprint calculations are based almost entirely on publicly available government data. We regularly update our servers as the newest data becomes available.
You can explore or download the data we use and see the import scripts at data.brighterplanet.com
Here’s a partial list of our sources:
- US Environmental Protection Agency (EPA)
- US Department of Energy (DOE)
- US Department of Agriculture (USDA)
- Bureau of Transportation Statistics (BTS)
- US Department of Transportation (DOT)
- Federal Highway Administration (FHWA)
National Transit Database (NTD)
Corporate Average Fuel Economy (CAFE)
Maritime Administration (MARAD) - American Public Transportation Association (APTA)
- Federal Aviation Administration (FAA)