[cookingmyserver]

What is mind blowing to me is how little weight impacts the fuel efficiency in my situation. I get ~58 MPG on my 385lb bike and ~55-60 MPG in my 3,500lb Prius prime. Obviously the regen helps, but still it is crazy how efficient the Prius is.

[93po]

This is more a reflection of your motorcycle engine favoring power, low weight, low emissions, and low cost of production over efficiency. There are people with DIY efforts that can get something like a 125cc 9 horsepower Honda engine to get over 200MPG at around 230 pounds and 55 MPH

[alamortsubite]

Wind resistance is a lot of it, but also I imagine the power-to-weight ratio of your bike is much greater than your Prius'.

[RhysU]

What were the total emissions to make the Prius vs the motorcycle? MPG is only post-production.