The BBC says its hit automotive TV show “Top Gear” will return to the airwaves with a new host replacing scandal-tainted Jeremy Clarkson. The broadcaster says radio and TV personality Chris Evans has signed a three-year deal to lead a new lineup for the show, which has won a huge following with its mix of car tips, driving stunts and jokey banter. Clarkson was fired in March after he punched a producer during an off-set altercation. Evans said Tuesday he was thrilled to be hosting “my favorite program of all time.”