microGreen Oil Filter - Save on Oil and Fuel
 Installation and use
The microGreenTM filter is simple to use and makes engine oil maintenance much easier and less expensive. When the vehicle is serviced, the oil is changed and the microGreenTM filter is installed. The microGreenTM filter is changed every other interval but the oil remains in the engine. For example, for vehicles with a 3,000 mile oil change interval, a new microGreenTM filter is installed every 6,000 miles but the oil is not changed until 24,000 miles (see chart).
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The microGreenTM filter can achieve direct oil and filter change cost savings of over 65% and reduce use of oil by 70% for an average vehicle. By analyzing the materials, labor and potential fuel savings, the benefits achievable using the microGreenTM filter over 24,000 miles (see chart) for a 200 vehicle fleet may be estimated.
Operating cost savings
The microGreenTM filter improves engine maintenance by extending the use of the engine oil. The table below indicates the potential direct cost savings that can be achieved by installing the microGreenTM filter. They are significant based on estimated direct maintenance costs over 24,000 miles:
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These direct savings do not take into account the decreased downtime of vehicles due to reduced maintenance time. Furthermore, engine life is directly impacted by the quality and efficiency of the oil filter. Increased capture of small particles reduces engine wear and therefore maintenance associated with wear, providing additional indirect savings potential. The figure below shows that by improving filtration efficiency to capture 98.7% of smaller micron size particles, the average mileage before an engine overhaul is required can be extended.
Mileage to engine overhaul based on oil filtration efficiency
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Potential additional savings from increased fuel efficiency
Changing engine oil helps an engine to maximize fuel efficiency. Oil that is free of particles is best at reducing friction in the engine, improving engine operating efficiency and therefore fuel efficiency. This improvement can be upwards of 5%. Based on average fuel efficiency for passenger cars, light-trucks and medium-duty trucks, and current fuel prices, even just 3% savings could be considerable. Fuel efficiency improvement assumptions are based on SAE papers and SOMS has not yet been able to conduct tests to independently confirm fuel savings from use of the microGreenTM filter.
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Reduced use of oil and filters
The resulting environmental benefits of the microGreenTM filter are significant. Decreasing frequency of oil changes and filter replacements has the potential to remove a significant amount of hazardous waste from the waste stream. This can translate to taxpayer savings from more efficient and proper disposal of used oil filters.
Fleet Net savings
 The microGreenTM filter can achieve direct oil and filter change cost savings of over 65% and reduce use of oil by 70% for an average vehicle. By analyzing the materials, labor and potential fuel savings, the benefits achievable using the microGreenTM filter over 24,000 miles for a 200 vehicle fleet may be estimated.
* Estimated potential savings based on SAE 881825 and 881827.
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