Learn About Air Purification and Filtration

Where Emissions Testing and HVAC Filters Cross Paths

November 04, 2015 |

What good are lab tests? There are undoubtedly some that have usefulness in the real world, but as Volkswagen has shown there are ways around every lab test if the desire to cheat the system is strong enough. The silver lining is that there have been, and will be more, ...