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Automotive Testing and Development Services, Inc.

The Fitch Fuel Catalyst recently underwent testing to update its CARB and EPA certifications. The guidelines of the United States EPA Federal Test Procedure FTP75 were followed. The FTP75 test was run in accordance with 40CFR 86 as defined in the Federal Register. Automotive Testing and Development Services, a certified EPA test facility located in California conducted the procedure.

The test consists of a selected vehicle being placed on a rolling dynamometer in a closed environmental chamber. In order to establish a baseline, the vehicle is driven a total of 11 miles on this chassis dyno subjecting it to varying start and stop driving conditions, which simulate a normal city-driving pattern. The emissions of the vehicle are collected and weighed with the results reported in grams per mile. This evaluation was performed utilizing reformulated gasoline currently in use in California in the year 2000.

For this evaluation we selected a Chevrolet Impala with a 350 cu in. (5.7 liter) engine. This carbureted vehicle is a good platform to demonstrate the before and after effects of the Fitch product as a carburetor is a reactive fuel delivery system responding to airflow. The difference between before and after results can be attributed to the single changed variable, the presence of the Fitch Fuel Catalyst product. The results are not amplified or suppressed by the presence of an Engine Management Unit which is a proactive device continuously responding to a variety of inputs and altering the fuel air ratio, fuel timing and ignition timing.

The chart below shows the results obtained on the vehicle prior to installation of the Fitch Fuel Catalyst and then the results from repeat a FTP 75 after accumulating 500 and 1,000 miles of normal driving. The car was extremely clean to begin with, and exceeded the requirements for its model year. After 1,000 miles the vehicle demonstrated a statistically significant increase in fuel economy and reduction in emissions.

Test Results
  CO(g/mi) HC(g/mi) NOx(g/mi) CO2(g/mi) Fuel Economy (mpg)
Baseline   .844 .259 .889 675 13.12
With FFC   .629 .238 .676 500 17.65
%Change   25% 8% 24% 26% 34%

Conclusions and Recommendations.

Engine builders and EMU manufacturers attempting to achieve maximum fuel economy and lowest emission signature are encouraged to vary Engine Management Unit response to levels of exhaust gas oxygen concentration when the Fitch Fuel Catalyst is employed as a fuel treatment device. In addition to altering the fuel air ratio altering ignition timing may also optimize the benefits derived from the presence of the Fitch Fuel Catalyst.

***A complete copy of this test is on file at our office and is available.

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