APB: Reloaded's latest dev blog, optimization of the live game is likened to changing your car's oil while speeding along at 65 mph. While not an admission of actually attempting the latter, this fact-filled dev diary does get into the nitty gritty of the optimization process; it offers a view (literally, with graphs and pictures) of both the software and hardware optimizations that are in the works.
A new OTW (Open Test World) called Overkill will soon come online to test a new bit of hardware developed specifically for the game to help improve performance. Those who are current OTW testers can expect to see Overkill in the next two weeks, while all players can expect to see release 1.10.2, with its performance improvements, very soon.
If you want to see exactly what is being done to improve your FPS in game, this is the blog to read.