The commercial installation of AD technologies is facilitated or obstructed by multi­ple interactive factors, respectively termed drivers or barriers. Drivers are factors that stimulate, enable, or facilitate implementation of a technology or project, whereas barriers are the factors that function in the opposite direction. Both drivers and barriers may be technological, economic/financial, environmental, or sociopoliti­cal, and may also include subjective psychological components such as uncertainty, perception, or fear. Despite their importance, the drivers and barriers for commer­cial implementation of AD by companies or farms are rarely disclosed or detailed in the literature because the information is typically related to business operations and confidential. However, experience from on-site and cooperative studies of AD for candidate factories or farms have shown that the satisfaction and resolution of multi­ple drivers and barriers, respectively, is crucial in the decision making to implement a specific AD project. Experience with pilot-scale AD studies conducted by anaer­obic digester vendors has shown that both drivers and barriers are multi-faceted and interdependent and vary in importance depending on a host of factors associated with candidate factories and their biomass wastes. An AD project is unlikely to proceed unless the full range of drivers and barriers are considered and the drivers outweigh the barriers. The following section will discuss the drivers and barriers in general, and how the advancement of AD technologies can contribute to tipping the balance towards the drivers by mitigating many of the barriers, including those of economic and political nature.