ore allows the use of nitro in the race and converts to time bonus at the end. So short term usage of nitro can help the players get out of situations ahead of the others but using a lot of nitro and thus score may cost him the game. There are different methods of gathering score (drafting, hitting objects, drifting) and some cars are more suited for a method then the other. Choosing the right car for the preferred method and playing out your strategy will make the player win the game.