Internet of Vehicles(IOV)is the application of Internet of Things in the field of Intelligent Transportation Systems.IOV has the potential to enable safety applications,efficiency applications,infotainment applications and environmental applications.IOV has attracted significant attention from governments,academia and industry in the developed world.This chapter presents the foundation of IOV,the state of the art and practice of IOV in the developed world,IOV products and vehicle telematics service providers.The foundation of IOV includes its technologies,applications,requirements,challenges,characteristics,models,standards,security and privacy; the state of the art and practice of IOV in the developed world include the government-led research programs,standardization activities,and large-scale field trials in the United States,Europe and Japan; IOV products include original equipment manufacturer(OEM)products,aftermarket products,and 5.9GHz Dedicated short-range communications products.This chapter concludes with a prospect of the development of IOV. <<