Astragon could easily claim they wish to satisfy various driving experiences expectations.
Look at the Street Cleaning Simulator 2011 : this original PC game has 3 detailed road sweepers models with animated arms, water jet, rotating sweeps to help you achieve the given missions.
Is this real? jeez looks like the dullest game of the decade. Who wants to be driving a street cleaning truck??
finally my wife can clean all the world and without disturb me.