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Sorry about that, of course that is irrelevant - the energy input is the same. However, there is a further pointof how often acceleration/deceleration takes place - with street lights and tunrs at corners, I think cars are ahead even if trains have many stops. *Lunatic*, n. One whose delusions are out of fashion.
Yes. The main killer for cars, even on highway driving, is the frequency of acceleration. Trains have very smooth acceleration/deceleration profiles, which makes them easy to optimize. When they don't, something has generally gone very wrong.
With cars... Well, think about how you drive on the highway. Your speed's usually about the speed limit. Sometimes you drift a little higher, sometimes a little lower. Sometimes you make really sharp changes in speed, like when you come over that hill and see Granny McBloggs putting along at a positively mind-boggling 50 km/h, and again when you pull out to try and pass her. It's better than city driving, but it's still pretty nasty compared to a good train system.
I know this is a rhetorical "you", but let it be noted that I don't drive a car :-) *Lunatic*, n. One whose delusions are out of fashion.
How one drives on the highway. Happy?
I don't either, though I do know how to drive. So I do sort of know what I'm talking about when I talk about relying on public transportation. ;)
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