1. DEP Mobile Source Control Section Martin Costello

2. Particulate Matter, g/hp-hr 1988 1991 1994 1998 2004* NOx, g/hp-hr 00.10.70.60.50.40.30.2 0 2 12 10 8 6 4 1990 Heavy Duty Engine Emissions Regulations 2007 99% Reduction in Emissions for New Engines by 2007

3. Vision –More emphasis on voluntary measures –Address diesel emissions from the legacy fleet… –Collaborating with fleet managers and Transportation Directors to use state and federal grants aimed at reducing diesel emissions.

4. School Bus: Options for the older engines  Cleaner burning fuel blends (biodiesel)  Passive emission controls to complete the burn (Diesel Oxidation Catalyst)  Repowering with newer engines  Alternative fuels like CNG

5. Track Record  Manatee and Orange County (and others?) have used blends of biodiesel  Several of the urban school districts have taken advantage of grants and retrofitted school buses with diesel oxidation catalysts (DOC)  Current grant for DOCs on rural school districts in the north Florida Panhandle region- ongoing

7. Economic Stimulus Package Current proposal to increase funding for the Diesel Emission Reduction Act (DERA) from current levels ($50 million nationwide) to $300 million or more

8. This could mean  Expanded scope of school bus retrofits to a statewide program

9. DEP Idle Rule  Went into effect December 15 th  Restricts idling to 5 minutes  Exceptions:

10. Questions?