It may be a pandemic blip, research firm says
                                
                                
                                    (Newser) -
                                    In 2020, the average vehicle on Americans roads was almost a teenager, according to research firm IHS Markit. The company, which produces an annual report on the age of American vehicles, says the average age of cars, light trucks, and SUVs hit a record high of 12.1 years, up...