The calculators listed below can be used to estimate emissions reductions.
US EPA Calculators and Reports
Diesel Emissions Quantifier (DEQ)
National Mobile Inventory Model (NMIM)
Airport Ground Support Equipment (GSE) Model
Particulate Matter (PM) Calculator (ZIP, 118 MB)
Exhaust and Crankcase Emission (PDF)
Other Calculators
Argonne National Laboratory’s GREET Model
The British Columbia Biofleet Project’s Biodiesel Calculator