Pontiac and Volkswagen automakers are both known for producing vehicles of comfort, luxury, and sleek style. But aside from that, they both share in the preservation of the healthy air and so these two companies both require something that would lessen the harm in emission even without using a Hybrid vehicle – the Pontiac Catalytic Converter and the Volkswagen Catalytic Converter. Both these catalytic converters could last up to a mileage of 100,000 miles, but certain factors could still affect the effectivity of these two to perform their job well. The Pontiac Catalytic Converter and Volkswagen Catalytic Converter were made in accordance to the Clean Air Act of 1977 to remedy the worsening crisis in air pollution, and if these two cannot function well, the effort made by this bill could become a waste. Both these two catalytic converters serve the same function of lessening the harmful emission brought upon by carbon monoxide, nitrogen oxides, and hydrocarbons. What the Pontiac Catalytic Converter and Volkswagen Catalytic Converterdoes is to create a chemical reaction where unburned chemicals take its final combustion using catalytic converter elements. These catalytic converter elements are platinum, rhodium, and palladium. These are placed in a honeycomb-like filter and the pollutants react against them as the gases are pushed through the converter. The result could only be that the gases will be formed into water vapor, carbon dioxide, and nitrogen. Thus, there is a lesser harm in the exhaust emission of vehicles such as the Pontiac and Volkswagen. Pontiac Catalytic Converters and Volkswagen Catalytic Converters are important instruments for the preservation of a healthy environment. These two should then be always checked to see that they are in their best condition. Only then could people breathe freely. Also, only then could people really appreciate the luxury and comfort that Pontiac and Volkswagen are both reputable for.