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  • Title: Chemical pollution from transportation vehicles.
    Author: Starkman ES.
    Journal: Calif Med; 1969 Apr; 110(4):309-14. PubMed ID: 4183827.
    Abstract:
    Recent publicity on electrically powered vehicles notwithstanding, the gasoline engine will probably be the principal power plant for passenger cars for at least the next decade. Chemical pollutants discharged by the gasoline engine are now under partial control. Motor cars of 1968 and 1969 model discharge only about 30 percent as much carbon monoxide and unburned hydrocarbons as do older models. In theory, carbon monoxide, unburned hydrocarbons and oxides of nitrogen ultimately can be completely removed from gasoline engine exhaust. In order to accomplish this it would be necessary to modify cars to operate satisfactorily on a lean mixture and perhaps to use a catalyst in the exhaust system. Present designs of gas turbines for aircraft and for future projected application to ground vehicles yield pollutants (except for smoke) at levels below those of gasoline engines for a decade to come. It has also been shown possible to eliminate smoke as well as odor from the gas turbine. Thus with proper effort it is feasible to reduce pollution of the atmosphere due to transportation to an acceptable level, even if electrically or alternatively powered vehicles cannot be developed for a decade.
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