>-----Original Message-----
>From: piclist-bounces@mit.edu [mailto:piclist-bounces@mit.edu] 
>Sent: 09 May 2006 06:11
>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.

Regards

Mike

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