EVA has always (last few years) passed on the fuel surcharges. However, said fuel surcharges vary vastly depending on the route and origin of flight.
do some digging and comparisons to validate your impressions of thinking that EVA doesn’t pass on these surcharges (past routes you have booked compared to this one you are looking for).

steps here. https://upgradedpoints.com/airline-fuel-surcharges/