He has taught English at the University of Utah, Zhejiang University (Peoples Republic of China), New York University, and Western State College of Colorado
Article: Toxicant Exposures After Switching From Cigarettes to a Pod-Based Electronic Cigarette:
1 2 "BBC:Short History of Immigration"

Pros Hands-On Monitoring: Provides a tangible, real-time assessment of each vehicles condition, catching issues early before they escalate Quality Assurance: Regular inspections ensure that service standards are consistently met, enhancing customer satisfaction Better Culpability Allocation: Although its not 100% reliable and depends on the inspection frequency, regular vehicle checks by employees help narrow down which customers could have smoked in the vehicle Cons Resource Intensive: Requires significant effort and time to conduct regular inspections, which can be a logistical challenge No Solid Evidence: The people doing the inspections might not notice the smell because they are in a hurry or because theyre smokers themselves Operational Downtime: Vehicles need to be taken out of circulation for the duration of the inspection, potentially reducing availability for users Limited Business Models: Only applicable for station-based car sharing operators 4

Additional studies of aerosolized PG found no effects on rat or monkey gross pathology, respiratory tract function, histology, or hematology and clinical chemistry (Robertson et al., 1947)