Fernando Alonso on full IndyCar season: Why not?

Fernando Alonso has refused to rule out a full season of IndyCar in future, replying "why not?" when asked about the possibility of a switch to the North American series.

Alonso has returned to F1 duty in Canada after his hugely popular attempt to win the Indy 500, where he led 27 laps before a Honda engine failure late on. The Spaniard made no secret of his enjoyment of the series and has since said the IndyCar paddock is a much more positive place than the F1 circus he has rejoined in Montreal.

During Alonso's Indy 500 adventure Mario Andretti said Alonso should do a full season of IndyCar in 2018 as his prospects of finding a winning car in Formula One look so bleak. McLaren is still…