The I3SYS Vehicle Pollution Testing Machine is specially designed for intensive use and single person operation, such as PUC centers, vehicle inspection or professional workshops. The vehicle test time is less than 3 minutes. Vehicle, engine, and fuel testing is an important way for EPA to verify emission standards are met and ensure the benefits from our programs become a reality. It is an assessment of the gases being put out by a vehicles engine. I3SYS Vehicle Pollution Testing Machine is very effective.