Art car recent years the festival has been forced to limit the number of vehicles on the playa. As such they have restricted the vehicles that are licensed to what they are now calling "mutant vehicles". There has been some confusion within the Burning Man and Art Car communities over these two terms, with some believing the terms are simply synonyms. According to art car artist and Art Car Fest organizer Philo Northrup, art cars are "street-legal vehicles that have been permanently transformed into mobile sculptures". According to the Burning Man DMV ("Department of Mutant Vehicles"), Mutant Vehicles are "'art on wheels':
Conservation and restoration of time-based media art within time-based media art preservation to include workshops, cataloging training, public programs, one-on-one assessments, and technical assistance. They provide professionals with the IMAP Preservation Online Resource Guide and provide an overview of preservation of time-based media on their website. Conservation and restoration of time-based media art The conservation and restoration of time-based media art is the study and practice of conserving time-based media and its components. The conservation and restoration of time-based media art is a complex undertaking within the field of conservation that includes understanding both physical and digital conservation methods; there are many facets of time-based media conservation.