Because the game was published by Codemasters and featured licensed music and potentially vehicle designs, it was removed from sale when those licenses expired.
: Some "gray market" key sites like Kinguin or G2A may have remaining Steam keys, but they are often extremely expensive (sometimes over $300) because they are rare. Technical Challenges
: You can still find used physical copies for PC on sites like eBay or through retro game retailers.
Even if you find a way to download the game, running it on modern Windows (10 or 11) requires several community fixes due to outdated security: How to Install Fuel (2009) On The Steamdeck/Linux FUEL (2009) Game Download Free Full Version
: It is widely considered "abandonware" by the gaming community, as the developer (Asobo Studio) and publisher no longer sell or support it.
