38 of the series’ 61 entries were at the pre-season test at Fuji Speedway on 23 February. This included the new Toyota GR86 and Subaru BRZ “CNF Concepts,” which are modified to run on renewable, ‘carbon-neutral’ fuel.
These cars will be in the special ST-Q category, along with the returning hydrogen-powered Toyota Corolla Sport H2 Concept and the Mazda2 Bio Concept, running on biofuel.
The #61 Team SDA Engineering BRZ CNF Concept completed 101 laps across four sessions including night practice. The #28 ORC ROOKIE GR86 CNF Concept ran 64 laps, opting to concentrate their efforts on the three daytime sessions. The GR86’s best lap was a 1’53.454, and the BRZ clocked a 1’56.197 as its best lap. These times matched up with the best times from the ST-2 and ST-3 class runners.