The only good zed is a dead zed, so have some fun running them over and ramming them into walls, with the new vehicle mod by Braindead. Be careful not to run out of fuel though as you may be left stranded and surrounded by dangerous enemies, although you can purchase fuel at your nearest trader (at a hefty cost) Repair your vehicle with the new welder and carry on killing. First release will include the following vehicles: Police Car Assorted mini coopers Army Truck Forklift Truck Helicopter and will also contain the new weapons/tools Fuel Can Welder
As the Killing Floor Vehicle Mod isn't a candidate for white listing it won't be possible to earn achievements and use perks on servers supporting it. However, one cool mutator from Marco allows server admin to install their own server side stats system that increases a player's level based on reaching stat goals.