Remove 2004 Remove Government Remove Ground-Level Ozone
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DEP Invests Over $2.7 Million In Alternative Fuel Transportation Projects To Improve Air Quality & Public Health, Reduce Greenhouse Gas Emissions

PA Environment Daily

Transportation generates 47 percent of nitrogen oxide emissions in Pennsylvania, contributing to the formation of ground-level ozone. Local governments, schools, businesses, and organizations may apply for AFIG funding. It also supports the installation of fueling stations for these vehicles.

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Cars, Smog, and EPA

Legal Planet

NOx plays a role in forming ground level ozone and final particulates (PM2.5), both of which are human health hazards. Apparently Congress did not relish the task of periodically resetting the standards itself The 1990 Amendments authorized EPA to set standards for 2004 and beyond. These are called Tier 1 standards.