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  2. Volkswagen emissions scandal - Wikipedia

    en.wikipedia.org/wiki/Volkswagen_emissions_scandal

    Model year 2016 Audi Quattro diesels were also found affected, including several 2016 Audi Quattro models (the 2016 Audi Quattro A6, A7, A8, A8L, and Q5). [362] Cynthis Giles, the EPA Assistant Administrator for Office of Enforcement and Compliance Assurance, called out the company for further refusing to take responsibility for its failure to ...

  3. List of Audi vehicles - Wikipedia

    en.wikipedia.org/wiki/List_of_Audi_vehicles

    The following list of Audi vehicles, including past and present production models, as well as concept vehicles and limited editions. The current era of Audi production dates to 1968, when present-day owner Volkswagen Group , which had purchased Auto Union from Mercedes-Benz in 1965, debuted the first modern Audi-branded vehicles.

  4. Water pollution in the United States - Wikipedia

    en.wikipedia.org/wiki/Water_pollution_in_the...

    Topsoil runoff from farm, central Iowa (2011). Water pollution in the United States is a growing problem that became critical in the 19th century with the development of mechanized agriculture, mining, and manufacturing industries—although laws and regulations introduced in the late 20th century have improved water quality in many water bodies. [1]

  5. Pollution prevention in the United States - Wikipedia

    en.wikipedia.org/wiki/Pollution_prevention_in...

    Pollution prevention can also be viewed as a form of environmental entrepreneurship, as companies see opportunities to reduce costs of waste treatment, storage, and disposal. For example, 3M has accrued a savings of over $750 million since 1973 due to their implementation of P2 incentives.

  6. Pollution Prevention Act of 1990 - Wikipedia

    en.wikipedia.org/wiki/Pollution_Prevention_Act...

    The Pollution Prevention Act focused industry, government, and public attention on reducing the amount of pollution through cost-effective changes in production, operation, and raw materials use. Opportunities for source reduction are often not realized because many existing environmental regulations focus on waste treatment and disposal ...

  7. Diesel emissions scandal - Wikipedia

    en.wikipedia.org/wiki/Diesel_emissions_scandal

    Early in the 1950s scientists discovered that vehicle emissions were a significant factor that had been causing the air quality to deteriorate. [7] This led to the introduction of vehicle emissions standards in California in 1966, furthermore due to the seriousness of the problem, in 1970 the Clean Air Act was introduced in order to regulate these standards all over the United States. [7]

  8. Audi hybrid vehicles - Wikipedia

    en.wikipedia.org/wiki/Audi_hybrid_vehicles

    The Audi metroproject quattro, a concept vehicle showcasing Audi hybrid technology. Audi hybrid vehicles are hybrid electric vehicles created by the German carmaker, Audi.Some vehicles listed were concept vehicles, which utilised an internal combustion engine and an electric motor, and were used for research and development (R&D) for potential future use of the technology into possible series ...

  9. Exemptions for fracking under United States federal law

    en.wikipedia.org/wiki/Exemptions_for_fracking...

    The June 2015 draft report of an ongoing EPA study on fracking effects on drinking water listed a number of mechanisms by which fracking can degrade drinking water. The draft report noted among its major findings: We did not find evidence that these mechanisms have led to widespread, systemic impacts on drinking water resources in the United ...