> For the complete documentation index, see [llms.txt](https://greever.gitbook.io/eng/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://greever.gitbook.io/eng/greever/4.-game-fi-system/a.-nft-cars.md).

# A. NFT cars

 

Your revenue from leaf generating depends on the car traits, as well as several other factors, namely:

 

1\.     the Car Performance – level and the quality determine how much profit you can earn.

 

2.the GPS connection/external environment - bad GPS connection will downsize the revenue.

 

3.the Durability of Eco-Friendly Driving –  Violating the 4 safe driving rules will decrease the profit.