Haas have announced that Pietro Fittipaldi, grandson of Emerson, is 
Haas' test & reserve driver and is familiar with the car.
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https://www.haasf1team.com/>
"After it was decided that the best thing for Romain (Grosjean) was to 
skip at least one race, the choice to put Pietro (Fittipaldi) in the car 
was pretty easy,rCY stated team principal Guenther Steiner. rCLPietro will  drive the VF-20 and herCOs familiar with us having been around the team 
for the past two seasons as a test and reserve driver. ItrCOs the right 
thing to do and itrCOs obviously a good opportunity for him. HerCOs been  patient and was always prepared for this opportunity rCo and now it has 
come. ThatrCOs why we want him in the car and IrCOm sure herCOll do a good  job. ItrCOs very demanding being called in at the last minute, but as I 
said, I think itrCOs the right thing to do for Haas F1 Team.rCY"
--- SBBSecho 3.06-Win32
 * Origin: SportNet Gateway Site (24:150/2)