PHSC 1014 Activity Sheet
Ground-level Ozone
Name:
Tailpipe Tally:
Enter your vehicle’s year, make, model, emissions certification, and annual mileage below.
Year Make Model Emissions Cert. Annual Mileage
Enter your annual outputs of nitrogen oxides and hydrocarbons for your vehicle in the space
below. Then use Tailpipe Tally to look up the emissions from the two listed vehicles with the
same annual mileage as your vehicle. Enter the emissions for each vehicle in the appropriate
space, circle whether each vehicle’s emissions are higher or lower than your vehicle, and enter
the difference in emissions next to Amount.
Vehicle NOx
(lbs.)
Hydrocarbons
(lbs.)
Difference:
NOx
Difference:
Hydrocarbons
Your Vehicle ***** *****
2006 Ford Focus (LEV)
Higher Lower
Amount:
Higher Lower
Amount:
2006 Toyota Prius (SULEV) Higher Lower
Amount:
Higher Lower
Amount:
Analysis:
Vehicle Emissions:
The Ford Focus is a compact car and the Toyota Prius is a gas-electric hybrid vehicle, and
these vehicles provide a means for comparison of your current vehicle’s emissions. Compare
your vehicle to the latest year’s model of these vehicles. How did your vehicle compare? Did
this surprise you?
Ground-level Ozone: Your Vehicle 1
