After a LONG Patent War with J. Costa, these guys at AUTISA (a major OEM auto manufacturer in Spain) offer their version, a J. Costa-inspired design. It runs cooler, has more lineal acceleration and is more tractable, and has avoided all the weight wear problems associated with all J. Costas...

Here is a video of a C600 with the AUTISA variator. Nice smooth and strong acceleration from rest to 160 KPH, and actually was passing 180 kph as the video ended...
https://youtu.be/s7nxezEfx0E