Garage Ceiling Lattice. Hangs scrap sections of plastic lattice to store everything from lengths of molding to fishing poles. Because of the open design of the lattice, you can quickly see the items stored overhead and has easy access to them. http://hative.com/clever-garage-storage-and-organization-ideas/
Small Shop Tips: Sawhorse, Space-Saving & Cheap Storage
Classic Sawhorse I’ve found a sturdy sawhorse that’s great even if you have limited space. When I’m done working with them I just stack them on top of each other and store them out of the way. Here’s all it takes to build one horse: One 42-in.-long 2×6 for the top board Four 28-in.-long 1×8 boards for the legs Four 9-7/8-in.-long 1×8 boards for the gussets Thirty-six 2-in.wood screws. Notch …
If your garage isn't big enough for your car and a workbench, you could get a smaller car or you could build a fold-down workbench. This one sets up in seconds and eats up zero floor space when not in use.