The most dominant Australian Supercars team – Triple Eight Race Engineering – has been allied with General Motors for a decade and a half. But the team is pulling the plug on its Chevy partnership at ...

IndyCar agreeing to a new deal for Honda and Chevy to remain engine manufacturers has effect on the series' popularity, the new car and teams.

Months before he stepped down as IndyCar president following the end of the 2015 season, Derrick Walker drew up a plan for the sport’s future – most notably, plans for the successor to the DW12 ...