This probably a small part fo the future. I have been knocking around reading on this type of product and a found some disturbing news.:
""Consider this account by the New York Times, using as its source the Environmental Protection Agency (EPA) and the American Petroleum Institute (API): "Each year, 1.2 BILLION gallons of lubricating oil are used in vehicles; 600 million gallons are burned up in engines, and 600 million gallons are removed at oil change time. Drivers who change their own oil account for 350 million of the removed gallons, and they improperly discard 240 million gallons of used oil." 1
Dumping 240 million gallons of oil is nearly the same as two Exxon Valdez spills each month. Improperly dumped waste oil seeps through landfills into ground water, disrupts bacterial digestion in sewer treatment plants (causing even more pollution), and washes into lakes and harbors. And we have no confident estimate of what happens to "properly" discarded waste oil. In 1989, there were only four re-finers left in the U.S. They processed a total of only 50 million gallons of the 600 million gallons theoretically possible.2""
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