@article{Frey-2016-4001,
  author = {Frey, C and Graver, B and Hu, J},
  title = {Effect of Biodiesel Fuels on Real-World Emissions of Passenger Locomotives},
  journal = {Environmental Science and Technology},
  year = {2016},
  month = {jan},
  publisher = {American Chemical Society},
  pages = {10},
  url = {https://pubs.acs.org/doi/10.1021/acs.est.6b03567},
  keywords = {Agriculture: Food and Oil Crops, Biodiesel (FAME), Blending and Fuel Mixtures, Engine Testing and Performance},
}