Guinness World Records has certified the 2012 Infiniti M35h as the world’s fastest full-hybrid car. The car rocketed through a quarter-mile run in an average of 13.9 seconds over multiple runs.Adjudicators from Guinness World Records were on hand to help verify the world record, which will be listed in the 2013 Guinness Book of Records.The Infiniti M35h is officially the quickest production