Model X Creating a Cleaner World Tesla Motors continues to pave new roads, and now is rebuilding the air quality worldwide. The Model S and X have been equipped with the HEPA filtration system, a filtration method where the vehicles clean the air before it enters the cabin. In an era of traffic jams in major cities being a norm, this new system helps gives drivers a break from breathing in unhealthy emissions from other vehicles. "The HEPA filtration system had scrubbed the air in Model X, bringing pollution levels from an extremely dangerous 1,000 µg/m³ to levels so low