EPA expands on-road emissions testing for diesel cars

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The dieselgate scandal has certainly called into question the credibility of reported vehicle emissions, which is why the the United States Environmental Protection Agency (EPA) will significantly expand its on-the-road emissions tests to cover all makes and models of diesel cars sold in the country.

Previously, it was revealed that more than 11 million Volkswagen cars were installed with “defeat devices” that allowed it to detect if it was undergoing testing, whereby emissions controls will be engaged in order to pass these tests.

The EPA’s new testing standards will now include real-world conditions besides the traditional laboratory setting, in order to increase the possibility of catching any significant discrepancies in emissions results compared to those claimed by car manufacturers.

According to the New York Times, the EPA completed its first round of tests under the new methodology on vehicles under the Volkswagen Group brand last week, where it was revealed that 10,000 cars fitted with the Group’s 3.0 litre V6 TDI engines were said to feature the same “defeat devices”. Volkswagen has since refuted the EPA’s claims.

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The expansion of the EPA’s testing regimen, which previously only involved road testing for pollutants on large trucks, would also include road-test spot checks on older cars to ensure that their pollution-control mechanisms are still efficient. These tests will be done in cooperation with regulators in Canada and California.

Speaking to the daily, Christopher Grundler, director of the office transportation and air quality at the EPA declined to describe the tests, only stating that the EPA will focus on 2015 and 2016 model year diesel cars. They will also be performed on all new cars that manufacturers seek to certify as well.

“Manufacturers have asked us what the test conditions would be, and we’ve told them that they don’t have a need to know. It will be random,” Grundler said. However, the new testing regime will not entirely replace the laboratory method of testing, instead helping to validate the findings obtained in the lab.

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Gerard Lye

Originating from the corporate world with a background in finance and economics, Gerard’s strong love for cars led him to take the plunge into the automotive media industry. It was only then did he realise that there are more things to a car than just horsepower count.

 

Comments

  • Diesel tuner pickup on Nov 09, 2015 at 5:26 pm

    lucky not in sabah

    Like or Dislike: Thumb up 0 Thumb down 0
  • Noob Hai on Nov 09, 2015 at 6:11 pm

    Sabah government don’t bother one. Tree can absorb CO2 mah. Scare what.

    Like or Dislike: Thumb up 3 Thumb down 0
  • Das Autar on Nov 09, 2015 at 7:26 pm

    Should say “Thank you” to Volkswagen for their greatest cheating inventions of the century, totally lost the trust to “Made in Germany”. They really spoil the market and every brand will be under radar soon. Thanks VW!

    Like or Dislike: Thumb up 2 Thumb down 3
    • Ustar on Nov 11, 2015 at 3:33 pm

      I don’t think that has anything to do with you as Malaysia is not affected. At least, they make the emission test to be more standard.

      Like or Dislike: Thumb up 0 Thumb down 0
    • Nahhh on Nov 11, 2015 at 4:56 pm

      The emission scandal is just happen in US, Malaysia is not gonna affected la

      Like or Dislike: Thumb up 0 Thumb down 0
  • what a joke when their best seller trucks like the ford F150, RAM…etc…are more polluting that those diesel cars….hahaha, why dont they have similar pollutant standards btw those truck wt the cars?

    Like or Dislike: Thumb up 1 Thumb down 0
 

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