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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. DEP administers the AFIG Program under the Pennsylvania Alternative Fuels Incentive Act of 2004, originally established under Act 166 of 1992. Click Here for a list of grants awarded.

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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.