First-quarter sales rise 9%, ending GM's 76-year reign as world's biggest automaker
                                
                                
                                    (Newser) -
                                    Toyota vroomed past General Motors in the first quarter to become the biggest automaker in the world, ending GM's 76-year reign. Riding the strength of its innovative Prius hybrid and solid standbys like the Camry, Toyota posted record first-quarter sales of 2.35 million vehicles, compared to GM's  2.26...