@article{Rudolph2016,
  author    = {Rudolph, Frederic},
  title     = {Cleaner vehicles},
  journal   = {World transport policy and practice},
  volume    = {22},
  number    = {1-2},
  url       = {http://nbn-resolving.de/urn:nbn:de:bsz:wup4-opus-63490},
  pages     = {22 -- 26},
  year      = {2016},
  abstract  = {This review of sources has assessed existing evidence for economic benefits arising from innovations or interventions that aim to improve the environmental performance of vehicles - such as enhancements to engine and vehicle technologies or improved fuels. It is designed to support cities in their decision making and measure selection process. The article is one of 22 reviews published in this volume.},
  language  = {en}
}