1. Yard tractors: Their path to zero emissions. (September 2021) Authors: Li, Chengguo; Dixit, Poornima; Welch, Bill; Nigam, Abhilash; Soriano, Bonnie; Lee, John; Russell, Robert L.; Jiang, Yu; Zhu, Hanwei; Karavalakis, Georgios; Johnson, Kent C.; Cocker III, David R.; Durbin, Thomas D.; Wayne Miller, J. Journal: Transportation research Issue: Volume 98(2021) Page Start: Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗