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But why is petroleum based motor oil so bad?
The main component in petroleum based motor oil is long saturated, carbon chains, in chemistry we call these alkanes or hydrocarbons. As an organic chemist, the carbon-carbon single bond motif is fundamental, but they are challenging to make or break. This is one of many reasons why petroleum based products (plastic bags, plastic anything) are robust and helpful, but also pollute the environment. Combusting hydrocarbons is how we normally grab energy for their bonds. Their complete decomposition leads to basic building blocks of CO2 (a GHG that contributes to global warming), H2O and energy.
A 'greener' alternative is using motor oil made from renewable resources. Plant based oils have a better capacity of degrading in the environment because nature has already trained microbes to readily digest them. Even though oil is plant based, oil is oil and combusting it is going to lead to CO2, H2O, and energy. On the upside, since plants take up CO2 from the atmosphere as they grow, when we use them for energy we are essentially re-releasing or recycling CO2.
Where can you purchase renewable, biodegradable motor oil?
- Green Earth Technology has a biobased line called G-oil. Click here to find their products near you.
- There is also BioSyn-Xtra made by Renewable Lubricants. They have several products available here.
- And lastly Lubrigreen, Biosynthetic Technologies' brand is not available in stores yet, but they can be contacted for a sample of their oil here.
References:
1.Understanding Biobased/Biodegradable and the Industry’s
Standardized Tests and Definitions. Renewable Lubricants Inc. link
2. Energy of Combustion, Charles E. Ophardt, 2003, Virtual Chembook. Elmhurst College. link
3. Bio-based oils, Good for equipment and the environment by the Seattle Public Utilities. link
4. Aluyor, et al. Scientific Research and Essay Vol.4 (6), pp. 543-548, June, 2009. link
5. Biosynthetic Technologies, Environmental and Social Benefits. link