Moments after the Volkswagen Group had come to terms with the measures set by the U.S. government over the diesel emissions issue, the U.K. has already done its own investigation over all other diesel cars aside from the VW brand.

The U.K. Department of Transportation conducted a study on the diesel emissions rate of road cars and the results were, unsurprisingly high as well, according to CNET. The DfT took 37 diesel-powered vehicles on the road and were each tested for emissions within a six-months' period. Every vehicle tested revealed real-time NO2 emissions exceeding legal limits.

Although the results were a bit disappointing, there was no evidence citing the use of a defeat device to mask real diesel emissions test results. On the other hand, each car showed to adjust engine settings during the road tests in an attempt to avoid engine damage leading to high emissions rates in specific weather conditions. Daimler had previously claimed that temperature shifts were the reason behind the high diesel emissions on its vehicles, as per the news agency.

Yahoo Finance UK also stated in a related report that the Volkswagen Group had close to 1.2 million cars in the U.K. had the defeat devices in them as well as an estimated 11 million cars overseas.

A total of $1.4 million had been reportedly spent by the U.K. government in the re-testing done while VW's own Germany is set to release its results following the testing of 56 diesel cars. The Society of Motor Manufacturers and Traders (SMMT) stated that although it has been extremely costly for car makers to abide the legal testing standards these days, all models which would be approved by next year would already be meeting the emissions requirements without the aid of any cheat devices.

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