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Urea tanks on diesel trucks -- that's the law in the United States starting in 2010
Date:11/10/2008

using SCR technology in Europe has saved customers more than 280 million liters of diesel and nearly half a billion dollars in fuel spending. At the same time, the environment was spared about 800,000 metric tons of carbon dioxide.

A Trucker's Concerns

"We're concerned because we don't know enough about the new urea technology," says Adam Collum, Manager and Co-Owner of Hellums Trucking Co. in Dennis, Mississippi, United States.

"A new heavy-duty diesel truck now costs about $100,000. Adding the urea SCR system will add $10,000 to the cost. How much more will the urea solution that we burn cost? What about maintenance? Will the urea cause corrosion?"

Doran says, "Urea can be corrosive to aluminum. Vehicle SCR systems and DEF dispensers have been designed to accommodate this and DEF is always stored in appropriate containers."

BlueTec Technology in Europe

The new diesel SUVs coming from Daimler in Europe to the United States are called BlueTec models because they are equipped with BlueTec SCR injection systemsa technology that Mercedes-Benz has used in trucks and buses in Europe for years. For these models, the urea will come in cartridges that will be replaced during normal servicing.

Detroit Diesel Corp., a brand of Daimler Trucks North America, has announced that it will use BlueTec technology on all future trucks.

The Mercedes-Benz E320 BlueTec won the 2007 World Green Car of the Year Award partly for "paving the way for super-clean diesel technology around the world." The BlueTec diesel emissions control technology was declared the best new technology for 2007 by the Automotive Journalist Association of Canada.

Planning for the Future

The North American SCR Stakeholders Group met to further plan the development of a distribution and retail infrastructure to ensure DEF availability in the United States in August in Dearborn, Michigan. Stakeholders include representa
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Contact: Dr. Thomas Hargrove
thargrove@ifdc.org
256-381-6600
IFDC
Source:Eurekalert  

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