IndyCar’s eye-pleasing new cars were in action again yesterday as several more teams tested at the Sonoma circuit in California.
Sebastien Bourdais showed off a new livery on his Coyne machine (top picture) while the Carpenter team also have a new look for the upcoming season.
IndyCar is due to conduct the first track test of a windscreen designed to enhance driver safety on Thursday at Phoenix.
See more pictures of the 2018 IndyCar field in action:
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