Hyundai begins rollout of Ioniq Hybrid, PHEV and EV; most efficient non-plug vehicle, most efficient EV in US; powertrain discussion - Green Car Congress
Keep it simple, stupid | 2017 Hyundai Ioniq Hybrid and Plug-In First Drive - Autoblog
Hyundai Eliminates Traditional Battery in Ioniq Hybrid | News | Car and Driver
For US (and Maybe Canadian) Owners: What is the Group Size of 12V Battery for 2017-2019 IONIQ Electric? | Hyundai IONIQ Forum