EPA Range is done with a Dyno.. Same test on all EV,s.. They drain the batteries to Zero then use the cars charging to get 100 percent..Let the car sit overnight and then Start the city Dyno test.. Running average city Speeds , slow downs and acceleration...Then Dyno test Hwy.. Speeds Slow down and acceleration and hill's etc... Then a formula for both city and hwy and gives the EPA Range. Edmond's does real world driving test range on EV,s. you can look them up... They brought a lucid that under performed as many EV,s do in real world hard driving.. They have sent the Lucid to factory to get it tested..Waiting on info back.But Edmond's real world test still has Lucid in the First and second place.. You can see All the results on ,Lucid , Tesla, EV, MB, and others to compare EPA and real driving test and habit's..Just some info to look at.