the supply chain can be strained. so we'll talk to the experts in a moment, but first, let's look back before we look forward to 2022. >> supply chain crisis. >> these are some of the shortages we experienced in 2021. paper. they've seen it spike 60% in value. >> the great ketchup shortage of 2021. >> it used to be ease to find drivers who wanted to sit in this seat. >> shortages experts say will be with us again in 2022. we've already seen travel troubles in the air heading into the new year. if you're thinking of driving, be ready for pain at the pump. on average a gallon of gas is more than a dollar higher than this time last year with more americans on the road now than at any other point during the pandemic. >> the consumer should get used to pay in excess of $3 a gallon as economies around the world