Who won the Formula 1 World Championship in 1978?

The 1978 Formula One season included the 29th FIA Formula One World Championship which commenced on January 15, 1978, and ended on October 8 after sixteen races. Mario Andretti was the season Champion and the last American to date to win a Formula One race. Mario won a total of 6 races that season and won the title with a total of 64 points. Late Ronnie Peterson finished the season second with 2 wins and 51 points.