Originally Posted by GTALuigi

i need to conserve as much energy in my muscle as possible.

So, coasting is the best way to enjoy commuting.
I usually pedal fast until i attain a comfortable coasting speed, then i just let it free ride until it slows back down to like 25km/h, and i again pump it up to about 35km/h

This way i keep my phase steady for longer period of times, without burning out.