CO2 checker is a accessibility chrome extension. it's a free extension , it has 17 active users since released its first version, it earns an average rating of 5.00 from 2 rated user, last update is 3114 days ago.
This chrome extension works with google maps to tell you your estimated CO2 emissions for your journey based on the type of vehicle you use and the length of your trip.
You could download the latest version crx file or older version files and install it.
English.
You could find more help information from co2 checker support page.
You could send emails to publisher, or check publisher's website.
More about manifest_file of co2 checker.
You could click to report abuse of co2 checker.