Test Results

When only one category is given (Hydrocarbons or Mileage) the company reported only on that category. Most laboratories tested for emissions only. Many companies tested both emissions and fuel savings.

Recognized independent testing laboratory   Universal Marketing
Reduced total Hydrocarbons 59%   Reduced total Hydrocarbons 42.55%
General Motors     Increase Mileage 34%
Reduced total Hydrocarbons 57%   Mobil Oil
Craster     Reduced total Hydrocarbons 82.8%
Increase Mileage *Diesel 61%   Increase Mileage 18.3%
    Research & Production Corp. of Transport, Mongolia
      Increase Mileage (Inside City) 21%
      Increase Mileage (outside City) 33%

Vitlis increased mileage on the following vehicles:

Vehicle Mileage Test Results
'92 Mercedes Benz 11.91%
'90 Renault 15.43%
'97 Scania 14.19%
'97 Volvo 10%
'93 International 15.55%
'92 DAF 15.66%

*Actual results may vary. Fuel savings can be higher or lower depending on engine model, fuel quality, equipment, cargo load weight, grade, road conditions, traffic, and weather conditions.