358 Refining Used Lubricating Oils
and solid contaminants. The cost of operating the Danish system was judged to be
high, approximately twice the cost per liter (0.264 US gallons) of the Alberta system.
The focus of the levy and subsidy system was on re-renable oils, leaving the more
problematic lower quality oils to the market-based system.
The case study of Finland described a levy system that had been introduced in
2006 at €0.0575/L (approximately US$0.90 per 0.264 US gallons) on new lubricant
sales that was used to subsidize the collection and storage of used oils, but also to
clean up spills of oil in the environment. Re-rening was prioritized over energy
recovery use. Collection of the oil was carried out by one company to which pay