If you enjoy working on automobiles, then starting a small auto repair business may be your true calling. However, the automobile industry carries its own economics and is changing rapidly. For example, recycling oil is one way automotive dealers, manufacturers and repair shops are helping to preserve the environment. Additionally, cars are being manufactured to run more efficiently and control emissions that affect the air. Auto repair businesses employing workers with the necessary skills and expertise to service these vehicles will likely always be in demand.