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ENGELHARD DEVELOPS SYSTEM TO HELP CARS MEET NEW POLLUTION STANDARDS

ENGELHARD DEVELOPS SYSTEM TO HELP CARS MEET NEW POLLUTION STANDARDS
 ISELIN, N.J., June 8 /PRNewswire/ -- Engelhard Corporation (NYSE: EC) has shown in company tests that its hydrocarbon trap system captures the majority of hydrocarbon pollutants escaping from automobiles during the first two minutes after ignition. This first two minutes is critical because it takes that long for the car's catalytic converter to heat up or "light off" and become active.
 With stricter regulations coming into effect throughout the U.S., new emissions-control technologies are essential to being able to meet them. In particular, California's new rules require car makers to develop vehicles
classified as low-emission, ultra-low emission and zero-emission. By 1998, the California Air Resource Board recommends


48 percent of the cars sold in California be low-emission vehicles, two percent be ultra-low emission vehicles and two percent be zero-emission vehicles.
 To reach these goals car makers must be able to limit engine emissions on the light-off period before the catalytic converter becomes active.
 Engelhard has conducted tests of its hydrocarbon trap system following the Federal Test Procedure and found that more than 50 percent of hydrocarbon pollutants are captured during the light-off period. This performance along with improvements in engine and catalytic converter performance should be able to meet the California ultra-low emission standard. The hydrocarbon trap also is believed to be more cost-effective than alternate technologies, such as electrically heated catalysts, according to Engelhard.
 The hydrocarbon trap works by trapping the pollutants in a proprietary absorbent bed. The pollutants are held in the trap until the catalytic converter becomes active and then removed through the converter where they are destroyed. The hydrocarbon trap is thus cleaned out and ready to capture pollutants the next time the car is started.
 "We are at the stage in development of this technology that we will begin working with car companies to adapt the system to their specific engine requirements," said James Healy, vice president of Engelhard's Environmental Catalysts Group. He added that several car makers currently are evaluating the technology.
 Engelhard Corporation is a world leading provider of specialty chemicals, including environmental catalysts, engineered materials and precious metals management services.
 -0- 6/8/92
 /CONTACT: Denise Lenci of Engelhard, 908-205-6246, or Marsha Longshore of Gilbert Whitney & Johns, 201-386-1776, for Engelhard/
 (EC) CO: Engelhard Corporation ST: New Jersey IN: AUT SU: PDT


LR-SM -- NY073 -- 8108 06/08/92 17:17 EDT
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Publication:PR Newswire
Date:Jun 8, 1992
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