K & A Wireless, a small business funded by the National Science Foundation.

K&A Wireless, a small business funded by the National Science Foundation, manufactures an internet-of-things (IoT) emissions sensor that is placed in a vehicle’s exhaust pipe. Globally, 80 percent of pollution comes from the transportation sector, according to K&A Wireless President ...This is an NSF Multimedia Gallery item.
Source: NSF Multimedia Gallery - Category: Science Source Type: video