The Most Incredible Truck Wheels Technologies You Have To See ▶ Manufacture of aluminum wheels

 On the auto-inflator, Can you control it In some situations, you might want to deflate the tires for traction. Example winter in heavy ice or snow. lowering tire pressure can aid in traction. I understand at speed no, would not be safe. BUT at speeds under say 15-25 MPH, that traction might make a difference. This could also be handy in areas where the road is a little muddy, for example construction sites, Logging and other areas where there is less than gravel roads
 9:29 "The system does not require any power cable"
At the same time, this shot and next shot show a device that is clearly hooked up to some electricity.