Harold Hallikainen wrote:

> By the way, does anyone have a feel for the passenger miles per gallon (or
> passenger kilometers per liter) for a 50 passenger bus that's full? I
> assume fuel usage does not vary a whole lot with the number of passengers.
> It'd be interesting to know how many passengers we need to be more
> efficient than a car with one person or a car with two people.

About 3 km/l, it seems:

http://www.bts.gov/publications/national_transportation_statistics/2003/html/table_04_15_m.html

The average European car makes around 20 km/l, the average US car around 10
km/l. That would need an average of 4 to 8 passengers in the bus.

Gerhard

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