Green1 has partnered with Howard and BHA in a 2015 Indianapolis 500 effort.
Starting on Friday, Hawksworth and the BHA crew will have three practice sessions on the 1.8-mile, 14-turn St. Petersburg street circuit.
BHA and the technology company seek to build on 2013 with the BHA No. 98 Honda Dallara DW12 Indycar.
Tests begin Thursday for the Honda powered Bryan Herta Autosport car