Earlier quoted context omitted.
Good luck convincing people to give up their cars and go to work soaked in a raincoat every day.
Hopefully, ever-increasing gas prices will do the convincing.
A human needs some 2kJ / kg / km to ride. That's 1.6MJ.
A car needs ~15L gas per 100km, so that's 45MJ for a 10km ride.
While the car uses 30x as much energy, it will only cost you $1.30.
The human needs 1.6MJ of food. That's about a grilled chicken sandwich. Which will cost you $4.30...