See also:

CO2 emission at exhaust
The CO2 emission levels at the exhaust given in the following table refer to combined consumption. ...

Radial-Ply Tires
WARNING! Combining radial-ply tires with other types of tires on your vehicle will cause your vehicle to handle poorly. The instability could cause an accident. Always use radial-ply tires in se ...

Emissions Inspection And MaintenancePrograms
In some localities, it may be a legal requirement to pass an inspection of your vehicle’s emissions control system. Failure to pass could prevent vehicle registration. For states that require an ...