Tesla models S and X offer HEPA air filtration, and some Model Ys in China are featuring it, too. But as a whole, electric vehicles don’t come equipped with HEPA – high-efficiency particulate air – ...

For a filter to be certified high-efficiency particulate air (HEPA), it must be tested and proven to filter particles as small as 0.3 microns to 99.97 percent efficiency at its designed air flow. To ...

Ineffective gas turbine inlet filtration will cost a power plant a lot of money through reduced turbine efficiency, increased maintenance costs and lower turbine availability. In the face of these ...

Two studies looked at which materials are best for homemade masks. What makes a better face covering to guard against COVID-19 transmission, a T-shirt or a scarf? Is it safe to use a vacuum cleaner ...

With the reddish-orange skies and smoke-filled air, Californians who had previously never heard of PM2.5 pollution are quickly learning about the Air Quality Index and what they need to do to protect ...

Do Dyson vacuums have HEPA filters? When buying a vacuum cleaner, the filter isn’t necessarily the first thing you consider, but it can make more of a difference than you imagine, especially for ...

PULLMAN, Wash. (KOMO) — The United States produces more corn than any other country in the world, according to the U.S. Department of Agriculture. We use corn to feed our livestock, fuel our cars and ...

Two years ago, we got a chance to assure parents and teachers, in any future epidemic, that the air in classrooms was safer, making it easier for children to attend school in person and avoid learning ...