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Other Green News 
Transportation US EPA and California ARB examine urea-SCR engine certification requirements
Transportation US EPA and California ARB examine urea-SCR engine certification requirements
US EPA and California ARB examine urea-SCR engine certification requirements
In a joint workshop held earlier this week, the US EPA and the California ARB discussed certification of diesel truck engines equipped with urea-SCR NOx reduction technology.
World Green Top News
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3BL News
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