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VW confirms Audi's emissions test transmission anomalies

Just a week after reports that the California Air Resources Board (CARB) found an emissions cheat in some Audi automatic transmission software programs, parent company Volkswagen has come clean. As reported by Reuters, VW's response to an article by Munich's Sueddeutsche Zeitung stated that the adaptive shift functionality can "lead to incorrect and non-reproducible results." Adaptive shift programs alter the characteristics of a vehicle's transmission to suit different driving styles. Gentle driving will result in earlier shifts and lower engine revs, while hard-charging on the pedals and steering will make the transmission more responsive and hold gears longer. That adaptation can change over time or even on a short-term basis. And it can save fuel. The difference in this case is that is seems that the Audi transmissions were specifically programmed to detect emissions test conditions. As we explained in a previous article, one of those test conditions is keeping the wheel straight. Turning more than 15 degrees shuts the test mode off. According to Reuters, the US government is trying to determine whether this classifies as an emissions cheat device, although VW, Audi, and the EPA have not commented on the record. This latest accusation is separate from the larger VW diesel emissions scandal. Related Video: Image Credit: Getty Editorial Government/Legal Green Audi Volkswagen Emissions vw diesel scandal

VW probes more diesels for emissions issues [UPDATE]

UPDATE: Volkswagen has released an official statement (embedded below) clarifying that neither the Euro 5 nor Euro 6 versions of the EA 288 contain software defeat devices. While this is the case for Europe, a VW spokesperson tells Autoblog: "Remedies and certifications for the vehicles in the United States are still subject to approval from the EPA and CARB." Volkswagen's diesel emissions scandal could mushroom to include even more vehicles in Europe because another engine there might be equipped with the cheating software. According to the company, it now needs to check whether early examples of the EA 288 for the Euro 5 standard can also evade tests, Automotive News reports. German regulators find that the later Euro 6 versions of the powerplant are compliant. VW initially said that 11 million EA 189 engines were affected worldwide by the cheating, and it recently included them in a stop-sale order in Europe. However, if the EA 288 diesels also have evasive software, they would only add to the millions of vehicles the company is already recalling there. At the same time, VW is facing a crunch to have a fix ready in time for mandated repairs to start in Germany in early 2016. New software should be enough to make most models compliant, but some of them might need more costly hardware changes. While the effects could be huge for Europe, the EA 288 has been included in VW's stop-sale in the US since Sept. 18. The engine is found on an estimated 67,000 examples of the 2015 model-year 2.0-liter TDI vehicles that the company calls Generation 3, according to spokesperson Jeannine Ginivan to Autoblog. US regulators are also taking a close look at the powerplant for evidence of VW altering its cheating software between engines. If proven, the changes might be evidence of a wider effort within the company to perpetuate the emissions evasion. Related Video: Volkswagen confirms: EA288 engines designed for EU5 and EU6 are not affected • Thorough appraisal of the Diesel emissions issue Wolfsburg, October 22, 2015. Volkswagen confirms today that no software constituting an improper defeat device as defined in law is installed in vehicles with EA 288 EU5 as well as EU6-engines in the European Union. Consequently, new vehicles of the Volkswagen Group offered within the European Union with those engines comply with legal requirements and environmental standards. Volkswagen AG is systematically reviewing this issue worldwide.

EPA upping its game amid Volkswagen probe

In the wake of the Volkswagen emissions-cheating scandal, the Environmental Protection Agency vowed to crack down on the auto industry with renewed vigor. That process has started. Janet McCabe, the agency's assistant administrator, said Tuesday that the EPA has already obtained a range of vehicles for testing purposes and that its enforcement staff is working as quickly as possible to determine whether other automakers are gaming emission results. "That's another detail we'd rather be obscure about, so that we can make sure people don't know what we're doing." For now, she said the agency is focused on diesel vehicles. But the scope of the new examinations could broaden to include gasoline-powered cars. The renewed efforts could include more light-duty vehicles or focus on heavy-duty trucks. The testing procedures could use dynamometers or portable emissions equipment. Right now, pretty much everything is a possibility. "We're going to become unpredictable, we're upping our game and we're going to use the whole range of technology that we have," she said. That technology now includes a heavy-duty truck chassis dynamometer at the EPA's national Vehicle and Fuel Emissions Laboratory in Ann Arbor, MI. Officials unveiled the $3 million piece of equipment Tuesday and hailed it as the first of its kind in North America. A Freightliner Super Truck, which boosted its fuel efficiency to 12 miles per gallon with the help of a $40 million federal grant, rolled onto the dynamometer in a ribbon-cutting ceremony Tuesday. McCabe said the new dynamometer will allow the EPA to assess the performance of the entire truck – not just its engine – and help engineers test 18-wheel tractor trailers measure, hydrocarbons, greenhouse gases, carbon monoxide and more. In the past, it took about a week for engineers to remove an engine from a truck and prep it for testing. With the new equipment, drivers can open a garage door and drive the rigs straight onto the dynamometer. A wealth of new, real-time data will be helpful as the EPA works with the National Highway Traffic Safety Administration in planning for the second phase of the government's greenhouse gas emission and fuel-efficiency standards for medium and heavy-duty engines and vehicles – a process now underway. While there's been a crush of attention on Volkswagen's scheming to circumvent emissions test, in the real world, it's these medium and heavy-duty trucks that are the bigger polluters.