Reducing aerosol containing products such as hairsprays. <br>Turn off the engine when waiting to reduce vehicle emissions. <br>Avoid the use of products containing CFCs. <br>Installation for automotive catalytic converters (catalytic converter), the carbon monoxide, hydrocarbons and nitrogen dioxide is converted to water, carbon dioxide and nitrogen. <br>Unleaded gasoline and ultra low sulfur diesel, to avoid sulfur dioxide and lead compounds. <br>Try to use public Jiaotonggongju.
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