Pollution from automobile emissions has become over the past few decades an issue of great concern. With a growing number of motor vehicles on our roads great concern has been attributed to the effects of these emissions to our health and to the environment. Several of the gases emitted, which when present in certain concentrations in our atmosphere can be toxic, therefor these ultimate concentrations must never be achieved. Strict legislation as well as sophisticated …showed first 75 words of 3701 total…

…showed last 75 words of 3701 total…1970 Clean Air Act Amendments were considered adequate at the time, air quality has not significantly improved as projected due to the expanding car population in industrialized countries. By observing the possible ill effects to human health and well being mentioned earlier, it can only be concluded that for the eventual "cleaning" of our atmosphere, a power source with 0 emission will one day need to be implemented in our main means of transportation, the automobile.