Introduction
While all California cars have advanced emission control systems, many new gasoline vehicles are designed to produce extremely lower levels of emissions. These vehicles are rated Partial Zero Emission Vehicles, or PZEVs by the California Air Resources Board. PZEVs are so clean because they meet the ARB's most stringent tailpipe emission standard - Super Ultra Low Emission Vehicle, and have a 15 year/150,000 mile warranty and zero evaporative emissions.

Environmental Benefits
Gasoline vehicles with a PZEV rating are mass-produced in a variety of makes and models and are available to the public today. They have an immediate impact on air quality because they are popular models at affordable prices. In addition, the extended warranty provides you with the added security that your vehicle will be maintained for a longer period of time.



Perks and Conveniences
Nothing new here - just a much cleaner version of the conventional internal combustion engine vehicle. In many instances a car buyer may pay only $100 more for a cleaner vehicle model that comes with a better warranty. It is even possible to be driving a clean car and not even know it!



Technology
Automakers are continually finding new technologies that improve their vehicles. Tremendous benefits have resulted alone by industry's ability to simplify, refine, and reduce the costs of their emission control systems. PZEVs are primarily four cylinder engines, however there are some five and six cylinder models available. Many PZEVs utilize various combinations of multiple catalysts, several oxygen sensors, exhaust gas recirculation, and an air pump.

·	There are 35 PZEV or AT PZEV models in 2005. It is estimated that 140,000 PZEVs will be on California roads this year - reaching 700,000 more each year by 2011 in CA alone.
·	Cars with a PZEV emissions rating have such tight pollution controls, and the burning of fuel is so complete, that in very smoggy urban areas, exhaust out of the tailpipe can actually be cleaner than the air outside.
·	Gasoline vehicles meeting PZEV emissions standards sometimes have even lower emissions than hybrid or alternative fuel vehicles.