Taxi driver in Taiwan offers free rides in return for singing karaoke

Tu Ching Liang's videos of warbling passengers have been viewed millions of times

Tu Ching Liang adjusts his yellow novelty hat, as disco lights bounce off the medical mask across his face, and speeds up his taxi.

No one is as lucky as me, walking out the door every day rushing to go to work and not make any money," he says, laughing.