https://techcrunch.com/2018/01/25/apple-grows-fleet-of-self-driving-test-cars-to-27/

Apple has expanded its autonomous vehicle test fleet, according to Bloomberg, jumping from just three cars registered with the California DMV last year, to 27 vehicles in total now.

The fleet consists entirely of Lexus RX450h SUVs, a popular choice for anyone working on autonomous car tech because they can be fairly easily retrofitted with aftermarket sensors to complement those on board and be ready for testing. Apple has been adding new cars to its fleet since around July of last year, according to the report.