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West Virginia researcher describes how Volkswagen got caught

The cheating scandal engulfing the world's largest automaker started with a road trip. In the spring of 2014, researchers from West Virginia were evaluating the tailpipe emissions of diesel cars made for the American market by European manufacturers, something never before studied in the academic realm. Excited by the prospect of breaking new ground, the team of two professors and two students wanted to gather as much data as possible. "And being academics, we went a little overboard," said Arvind Thiruvengadam, one of the students. "Being academics, we went a little overboard." Overboard included driving the cars for more miles than they needed to test and verify results. Drivers put about 1,500 miles on each of the first two cars in the study, a Volkswagen Jetta and BMW X5, along California roadways. For their final car, a Volkswagen Passat, they wanted even more mileage. So they took the car on a road trip from Los Angeles to Seattle and back again, collecting data from more than 2,000 miles of testing. The road trip was Volkswagen's undoing. When the West Virginia team returned to Los Angeles, they were befuddled by the test results. In theory, the Passat should have spewed the lowest levels of pollutants among the three cars. Equipped with the more modern selective catalytic reduction technology, the team expected to find minimal levels of nitrogen oxide. But the car, which had been certified at a California Air Resources Board facility prior to the start of the road trip, had elevated levels of NOx that were 20 times the baseline levels established beforehand. The researchers, comprised of professors Gregory Thompson and Dan Carder and students Marc Besch and Thiruvengadam, knew their on-board equipment functioned properly because, early in their research, they had double-checked its accuracy after recording sky-high NOx readings from the Jetta that showed 30 times the level of its baseline testing at the CARB facility. It was particularly noteworthy because the Jetta contained the first-generation Lean NOx Trap technology, not the more efficient SCR, yet both produced large discrepancies. The BMW, on the other hand, performed as expected. Today, Thiruvengadam is careful to say the research team never suspected Volkswagen of cheating on emissions testing, nor did the researchers report such a finding. They merely reported their findings to CARB officials who then further investigated.

VW orders external probe into diesel emission scandal

There are well over 480,000 Volkswagen-made, diesel-powered vehicles currently traveling roads in the United States that do not meet the Environmental Protection Agency's emissions requirements. This, as you can probably imagine, is a very big deal, and has led VW CEO Professor Doctor Martin Winterkorn to release an official statement on the matter. "I personally am deeply sorry that we have broken the trust of our customers and the public," he said. It's important to note that these vehicles run software with a so-called "defeat device" that kicks in when the on-board computer senses that it is being tested for emissions. When the car is operating normally – in other words, when its exhaust isn't being sniffed – the cars do not meet US emissions standards. According to the EPA and the California Air Resources Board, affected cars emit as much as 40 times the allowable level of certain pollutants. "We will cooperate fully with the responsible agencies, with transparency and urgency, to clearly, openly, and completely establish all of the facts of this case," according to Winterkorn, who added, "Volkswagen has ordered an external investigation of this matter." It's not yet known who will carry out this investigation. At present, there are still a number of 2015 Volkswagen models on dealer lots that do not meet emissions requirements. VW has issued a stop sale on vehicles equipped with the 2.0-liter TDI diesel engine. What's more, the German automaker has been barred from selling 2016 model-year vehicles that use this engine, according to The Detroit News. Last year, diesel vehicles made up about 22 percent of all VW sales, which means these restrictions will have a big impact on the brand's sales performance until a remedy is found and the vehicles are approved for sale. Interestingly, the EPA has started a campaign of sorts to test vehicles from other automakers that sell diesel-powered vehicles in the United States to make sure they comply with emissions requirements under all operating circumstances. The EPA says it "will be reviewing [its] compliance protocols and introducing ways in which [it] can effectively test not only for emissions performance but also for the potential presence of defeat devices," according to a statement provided to The Detroit News. Check out the full statement from VW CEO Martin Winterkorn below. Related Video: STATEMENT OF PROF. DR.

Canada expands cooperation with EPA over VW scandal

It doesn't take much more than a stiff breeze to send some US pollution northward across the 49th parallel. Perhaps that's why the Canadian government says it is standing strong with the US in its continuing investigation of Volkswagen and the allegations and self-reporting that the automaker installed software to try to game emissions regulations. In fact, the Canadian government is going to do its own slate of on-road testing to see how VW diesel engines perform in real-world conditions. Last year, about 1.8 million new light-duty vehicles were sold in Canada, which is about equal to how many were sold in Maryland. That compares to about 17 million new-vehicle sales for the US. But every bit counts when it comes to an increase in potentially harmful emissions, and the Canadian government says it wants to make sure VW's diesel engines are being properly monitored, whether they're sold in Detroit, MI, or across the river in Windsor, Ontario. And that means following up – together – on allegations that Europe's biggest automaker is using so-called "defeat devices" in what it has long called its "clean diesel" engines. The automotive industry continues to be roiled by the VW scandal, in which the automaker said that as many as 11 million of its vehicles may contain software programmed to manipulate emissions-testing procedures. Volkswagen has set aside $7.3 billion to deal with the scandal, while VW CEO Martin Winterkorn was forced to step down after the issue became public. Take a look at Environment Canada's press release below. Statement - Government of Canada expands its on-going collaborative work with the U.S. EPA to assess other diesel vehicles for defeat devices OTTAWA, Sept. 26, 2015 /CNW/ - On September 22, 2015, the Government of Canada opened an investigation into Volkswagen's alleged use of defeat devices to circumvent emissions regulations. Environment Canada issued the following update on the issue: "The Government of Canada has a long history of collaborating closely with the U.S. Environmental Protection Agency (EPA) to align emission standards, as well as to provide oversight and verify compliance with applicable emission regulations "Today, the Government of Canada is announcing that it has expanded its ongoing collaborative work with the U.S. EPA to assess other diesel vehicles for defeat devices and compliance issues. "Vehicles will be subject to a variety of tests including on-road testing using portable emission measurement systems.