Cardinal builds low rolling resistance tires that give customers 10% better fuel economy. The tires have a liner that holds air 40 times better than standard tires. This liner also holds tire puncture sealant giving the tires run-flat technology. Within the tire is an audio sensor that monitors tire wear and connects to a tire management software service. Reducing fuel consumption by 10% will save 1.2 gigatons of CO2 emissions yearly.