no powertrain changes for 2017 for US market... this CARB release confirms this no news.
http://www.arb.ca.gov/msprog/onroad/cert/pcldtmdv/2017/toyota_ldt_a0140939_5d7_u2.pdf
the main cert page for all manufacturers: Subject Top Page: Passenger Car, Light Duty Truck, and Medium Duty Vehicle Executive Orders - 2017
http://www.arb.ca.gov/msprog/onroad/cert/pcldtmdv/2017/toyota_ldt_a0140939_5d7_u2.pdf
the main cert page for all manufacturers: Subject Top Page: Passenger Car, Light Duty Truck, and Medium Duty Vehicle Executive Orders - 2017