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November 5, 2007 8:38 AM PST

Motor oil goes green

by Laura Burstein

G-oil biodegradable motor oil

(Credit: Green Earth Technologies)

Certain biofuels, though eco-friendly, have a reputation for gumming up engine parts, which affect vehicle performance and ultimately reduce engine life. So the idea of a bio-based motor oil makes some of us a little nervous. But one Bay Area-based company is hawking a green, biodegradable motor oil that it says will protect engines as well as name-brand, petroleum-based oil.

G-Oil, made by Green Earth Technologies, is made by converting tallow -- that's saturated cow fat to you and me -- into a high-value unsaturated oil, which is less likely to clog up engine parts. (Tallow was used historically to make products such as candles and soap, and was sometimes used in cooking.) The resulting motor oil, according to the label, can be used in naturally-aspirated engines, as well as turbocharged and super-charged diesel and gasoline engines. In addition, the packaging is 100 percent recyclable, and the labels are printed on biodegradable paper with soy ink.

The company says the used oil is non-toxic and can be disposed of at home, but it must first be mixed with another of the company's products, called G-disposoil. The second compound breaks the oil into smaller molecules, which can be eaten by microorganisms found in the soil. However, there is no mention of whether other hazardous chemicals might be picked up by the oil during its lifespan inside the engine.

There isn't much information yet on how to buy G-oil, although the company recently showed off its products at the Automotive Aftermarket Products Expo (AAPEX) in Las Vegas.

We love the idea of the product, if all claims turn out to be true. But those of us with newer, high-performance cars might just want to wait around a bit for someone else to be the guinea pig.

Related link: Green Earth Technology

Laura Burstein is a freelance automotive and technology journalist, covering news and events ranging from auto shows to Formula One races. She is a member of the CNET Blog Network, and is not an employee of CNET. Disclosure.
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Seems you've mis-stated something here.
by Pete Bardo November 5, 2007 10:55 AM PST
"But one Bay Area-based company is hocking a green, biodegradable motor oil..."

I think you meant to say they are hawking this stuff. Hocking would be taking it to the pawn shop, or maybe coughing it up and spitting it out.
Reply to this comment
Several problems
by ejevo November 5, 2007 11:22 AM PST
I'm not sure I'd be willing to be part of the first wave of consumers to try it. My vehicle is too valuable still at this point.

Now, as for the biodegradability of motor oil, motor oil is much more than motor oil after it has been used. It will contain unburnt gasoline and other contaminants, some of which are carcinogenic and are not likely to be biodegradable. Would you really want those items to be added to your compost pile and spread in your veggie garden?
Reply to this comment
Nuh-uh I doon't think so.
by Brak78102 November 5, 2007 11:23 AM PST
I'm not putting it in my car!
Reply to this comment
Used motor oil is a hazardous waste.
by craig4524 November 5, 2007 12:08 PM PST
You can't pour it on the ground or a compost heap just because it'll biodegrade. Its picked up traces of lead and other metals at the very least (possibly antifreeze and other chemicals) and must be recycled as a used motor oil per federal law. Check oil analysis sites, it picks up a lot of stuff.

I'm sure the refiners will be thrilled to have a degrading product in their mix (eyes roll). Not very well thought through. Lots of other stuff has to evolve before this is a workable idea.
Reply to this comment
Is it really green?
by pctec100 November 5, 2007 1:22 PM PST
Sure it's biodegradable but, without considering what can be found in oil after use, is it really green? How much fossil fuel consumption is needed for raising the live stock? How much for raising the food for the live stock? Even more for rendering?

How does that scale if 1% of all motor oil were to be replaced with? How about 10%, 25% or even greater?
Reply to this comment
by pubmat December 4, 2007 7:12 PM PST
You would have to be NUTS to use that in a car without first evidence of safety through extensive testing. NUTS.
Reply to this comment
by Moonshiner55 April 17, 2009 5:10 PM PDT
There has been some serious progress since the original article. The oil has been extensively tested and passed the tests with flying colors. It is SM certified by the API. I will definitely be using it in my vehicles.

It's actually the official motor oil of the American Le Mans Series. The racing oil was run in a high performance BMW M3 and showed less foaming and a lower oil temperature than what was used previously.

You would have to be a moron to dispose of it in your back yard, whether it's biodegradable or not. Don't be stupid, recycle it.

Check these links

http://www.theautochannel.com/news/2009/01/22/379983.html

http://www.nanotechwire.com/news.asp?nid=7543

I'd love to dyno it and compare the results to Mobil 1 or Royal Purple...
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About Girl on Cars

Laura Burstein is a freelance automotive and technology journalist. She covers car news and events ranging from auto shows to Formula One races. Laura is a member of the Motor Press Guild and the BMW Car Club of America.

She is a member of the CNET Blog Network and is not an employee of CNET.

Disclosure.

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