Volume 3, Issue 01 (November 2010)
The U.S. Environmental Protection Agency (EPA) has verified Johnson Matthey’s innovative SCRT® System as the first 4-way emission control technology for on-road vehicles.
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http://www.jm-gem.com/2010/09/johnson-matthey%e2%80%99s-scrt%c2%ae-system-for-on-road-vehicle-nox-reduction-achieves-epa-verification/
Volume 2, Issue 02 (Spring 2002)
With cars, trucks, buses and motorcycles now subject to stringent emissions regulations, attention is turning from the on-road to the off-road sector and, in particular, to construction equipment operating in urban areas.
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http://www.jm-gem.com/2002/04/construction-clean-up/
