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IRWINDALE, Calif. — Bosch recently announced plans to launch dosing units and control concepts for selective catalytic reduction (SCR) systems in 2008. These technologies will assist in removing nitrogen oxides emissions, enabling diesel vehicles to meet the U.S. Environmental Protection Agency’s (EPA) Tier 2 Bin 5 emissions standards.
“Selective catalytic reduction is another important step in maintaining diesel’s leadership in automotive emissions performance,” said John Moulton, president, powertrain division, Robert Bosch Corporation. “At Bosch, we are committed to clean automotive powertrains for the U.S. and global markets.”
SCR systems inject a reducing agent, consisting of urea and water, into the exhaust stream. There, the urea is converted into ammonia. In the second stage, which takes place in the SCR catalytic converter, the nitrous oxide combines with the ammonia to produce water and harmless nitrogen.
The availability of ultra-low sulfur diesel fuel later this year also will help diesel passenger vehicles meet the upcoming EPA regulations by decreasing the sulfur content of diesel fuel from 500 parts per million today to 15 parts per million.
“The automotive industry has achieved significant reductions in exhaust emissions with advanced diesel technology,” said Moulton. “Since 1990, nitrous oxide, unburned hydrocarbons, carbon monoxide, nitrogen oxide and particle emissions from diesel vehicles have decreased by approximately 90 percent. And today’s diesel engines decrease greenhouse gas emissions up to 25 percent.”
For more than 75 years, Bosch has lead the way in making diesel advantages a reality through major technology advancements. Over the last decade, Bosch has introduced technology that dramatically improves performance while making diesels clean, quiet and efficient. Bosch technology for diesel engines includes high-pressure common rail and unit injector systems, both vital to emissions reduction, improved performance and fuel economy. The company is currently working with many automakers to advance the momentum of clean diesel technology in the United States.
The Bosch Group is a leading global manufacturer of automotive and industrial technology, consumer goods, and building technology. In fiscal 2004, some 242,000 associates generated sales of 40 billion euros. Set up in Stuttgart in 1886 by Robert Bosch (1861-1942) as "Workshop for Precision Mechanics and Electrical Engineering," the Bosch Group today comprises a manufacturing, sales, and after-sales service network of some 260 subsidiaries and more than 10,000 service centers in over 130 countries.
In North America, the Bosch Group manufactures and markets automotive original equipment and aftermarket products, industrial automation and mobile products, power tools and accessories, security technology, packaging equipment and household appliances. Bosch employs approximately 23,000 associates in more than 80 primary facilities throughout North America and reported sales of $7.8 billion in 2004. For more information, visit www.bosch.us.
Bosch Clean Diesel 2 - January 2006 |
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