COMMENT: Re-refined oils redefine auto industry’s environmental impacts

Globally, a third of waste oil is unaccounted for, with much of it disposed irresponsibly and harmfully seeping into the environment. Re-refining used oil - the process of removing impurities for re-use as automotive oil (as opposed to recycling it for use elsewhere) - is one way of reducing the automotive industry's - and consumers' - reliance on ‘new’ oils; unfortunately, though, the process is currently highly inefficient.