Cars Wallpapers collection contain many desktop pictures for you desktop. Cars stands for Automobiles are designed to travel on roads, although some, notably sport utility vehicles, allow off-road driving. Roads and highways are shared with other traffic such as motorcycles, tractor trailers, and farm implements. The typical vehicle has an internal combustion engine, although in 2001, hybrid cars powered by gas-electric hybrid engines began to enter the market. Other vehicles run on electricity and fuel cells, though these are not widely available as of 2004. While most cars have four wheels, three-wheeled automobiles have also been built, but are not common due to stability problems. Some gyrocar, two wheeled automobiles have been built as well, using gyroscopic stabilization.