About the ratings for 'Running your car on biofuel'
All Bloom actions are rated on CO2 reduction, popularity, easiness and cost. The methodology behind each rating is defined below, along with further rating information for 'Running your car on biofuel'.
CO2 reduction
The average emission reduction resulting from this action in the first 12 months, in kilograms or tonnes.
For this action:
Saving of 0 kg reflects the fact that estimates vary widely: some biofuels save CO2 relative to fossil fuels while others release more CO2.
Popularity
Number of registered Bloom users who have planted this action seed.
Easiness
How easy it is to complete the action, as rated by registered Bloom users.
Please note: during beta testing, this value has been editorially assigned. When enough users have rated an action, this will represent the average user rating
Cost
Average outlay required to initiate an action in £.