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reduce smoke Opel Automotive industry - facts from WikipediaThe automotive industry is a wide range of companies and organizations involved in the design, development, manufacturing, marketing, and selling of motor vehicles.1 It is one of th zobacz resztę

Opel smoking exhaust Car - fuel technologiesMost cars in use today are propelled by an internal combustion engine, fueled by deflagration of gasoline or diesel. Both fuels are known to cause air pollution and are also blamed for contributing zobacz stronę