Newsheadline
Wolfsburg / Chattanooga, 2011-05-31

US Department of Transportation Secretary Ray LaHood views Clean Diesel engines as a key component of future technology for highway transportation in the USA

• Growing share of Clean Diesels in the USA helps to attain climate protection goals
• TDI engines of the Volkswagen Group protect resources

High-tech Clean Diesel engines from Volkswagen are a cornerstone in the environmentally-friendly renewal of individual mobility in the United States. US Secretary of Transportation Ray LaHood focused on this Tuesday last week in his welcoming speech at the opening ceremony for Volkswagen’s new plant in Chattanooga, Tennessee.
US Secretary of Transportation Ray LaHood emphasised that the USA finds itself in an era of transition towards a new form of mobility – and thanks to the innovative technologies of Volkswagen, clean diesel engines will play an important role in implementing a new powertrain strategy for the United States. “And that is not only because it is the right engine for environmental and climate protection in the USA. Clean diesel engines also make sense economically, for both individuals and American companies. The Clean Diesel technology that is found in the new US Passat, for example, makes a genuine difference.”
According to LaHood, the tremendous savings achieved by the clean, high-tech engines will also make a contribution towards safeguarding long-term energy supplies in the USA. “If one-third of all vehicles in the USA were already Clean Diesel vehicles today, we would be saving 1.4 million barrels of oil every day. That is equivalent to the amount of oil we currently import from Saudi Arabia,” the Secretary calculates.
In April 2011, the diesel share of vehicles sold by Volkswagen of America was 24 per cent. This means that nearly one in every four Volkswagen brand cars delivered in the USA has a fuel-efficient and clean TDI engine. The Volkswagen Group is the global market leader in diesel engine technology, and back in 2008 it was the first carmaker to offer diesel vehicles on the US market that conformed to the BIN-5 standard, the most stringent emissions legislation in the world. In America, the Volkswagen brand already offers four TDI clean diesel models, and the Audi brand offers two. This year, the new Passat TDI and the Beetle TDI will be added. Audi has announced that it will bring the TDI to the luxury class in the USA and offer TDI clean diesel engines in both the Audi A6 and Audi A8 in 2013.
Many experts consider these diesel engines to be the most advanced combustion engines of our times. They combine minimum fuel consumption and the lowest emissions with maximum power. Depending on the specific model, Clean Diesel technologies may include an SCR catalytic converter – which reduces nitrogen oxide emissions (NOx) by up to 90 percent – or a NOx storage catalytic converter and oxidation catalytic converter, particulate filter, exhaust gas recirculation (EGR) and intelligent interventions by the electronic engine management system.

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