An introduction to Urban Logistics: Emissions Regulations and Diesel Bans. As countries and cities around the world race to address pollution levels, transport and logistics companies face a raft of new restrictions affecting their delivery operations. There is very little consistency of regulations even sometimes within the same country and this provides a complex and confusing framework within which to work. Whilst many governments desire a complete ban on diesel-engined vehicles, this will only succeed if alternative technologies are in place – a goal which is still many years away.