In the US, bus routes often run with zero passengers on the bus. Here is a Quora question and answer that states buses consumed 20% more energy than cars per p

In the US, bus routes often run with zero passengers on the bus. Here is a Quora question and answer that states buses consumed 20% more energy than cars per passenger mile in 2009[1]. It references a US Department of transportation document that can now be found here(pdf)[2]. Tables in chapter two. Not sure about more recent figures. I made this comment as I remembered an AC Transit (Alameda County Transit which includes Oakland) study that said their average mpg per passenger was around 8 mpg some time ago and I found that surprisingly low. [1] https://www.quora.com/Do-buses-really-result-in-increased-energy-efficiency https://www.quora.com/Do-buses-really-result-in-increased-en... [2] https://tedb.ornl.gov/wp-content/uploads/2019/03/Edition30_Full_Doc.pdf https://tedb.ornl.gov/wp-content/uploads/2019/03/Edition30_F...