Tire technology helps boost winter weather safety

Mar-Mac Tire Co. Vice President Rocco Sarno shows a popular winter tire at his New Kensington tire company.

Mar-Mac Tire Co. Vice President Rocco Sarno moves winter tires around in the stored inventory at his New Kensington tire company.

An ambulance is serviced for winter tires at Mar-Mac Tire Co. in New Kensington.

Bob Richards unloads a truck full of tires at Highland Tire in Tarentum.