>-----Original Message-----
>From: piclist-bounces@mit.edu [mailto:piclist-bounces@mit.edu] 
>Sent: 09 May 2006 09:49
>To: Microcontroller discussion list - Public.
>Subject: RE: [ee] Basic physics... Bicycle regenerative braking forces
>
>
>
>
>> >Gerhard,
>> >
>> >20km/l seems very efficient. I get 15km/l out of a small 3 cylindar
>> >1000cc motor (1987 vintage) . I can't see modern engines being 
>> >that much more efficient
>> >
>> >But I may be wrong --- again
>> 
>> 20km/l is 56mpg in imperial gallons or 47mpg in US gallons.
>> Modern diesels which are now very popular in Europe are quite 
>> capable of attaining these figures and better in many cases.  
>> Most small petrol (gas) engined cars struggle to get much better 
>> than 40-45mpg.
>> 
>> Mike
>> 
>
>58mpg for the Geo Metro/Suzi Swift/Chevy Aveo gasoline
>60mpg for some of the new VW TDi diesels
>
>The Smartcar gets 60+ mpg but the US Epa only rates it at 37. 
>It was originally rated at 78mpg with the TDI 3 cyl diesel and CVT.

Just to clarify I guess those mileages are in US gallons?  IME what the manufacturers state and what's actually achievable in real life conditions are rarely the same, especialy if you take your small engined car onto a fast motorway where you are wringing it's neck to keep up with the traffic flow...

Regards

Mike

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