Hi Tomes,
I will read it. Thanks for the tip.
Greetz
Bumperkleber
This is very interesting as I have had a similar experience but without the
abrupt change between good and bad pavement which could be noted. So, as a
result, my data are not as good as yours.
The Prius is a very finely engineered and tuned car. It is optimized so
every change from standard counts toward lowering gas mileage -- weight,
sttreamlining (such as adding a roof rack), tire pressure, use of heater and
cooler, etc. I've even noticed that wet or dry weather appears to change
the gas mileage a bit.
But, even at its worst (in winter with the heater running contiuously), the
gas mileage is still better than any other car that I have owned.
TKM
> Last Thursday I got my new Prius (the "standard" one).
> I'm extremely happy with it. It drives like a limo.
> Yesterday I drove my first 500 km from Eindhoven (Netherlands) to the
> north of France (Lille).
> I was not focussing on the MPG. But after a day of shopping I was tired
> and decided to drive back calmly and set the cruisecontrol to 100km/hr
> (60 MPH)
> In Belgium the highways are a bit bumpier and the surface is not as smooth
> as we have them in Holland just across the border.
> I noticed the following:
> In Belgium I got an average 5,2 l/km ( 45,3 MPG) and when I crossed the
> border and the surface of the road turned smooth it showed an immediate
> improvement to 4,7 l/km. (50,1 MPG). Still driving on cruisecontrol and no
> difference in driving behaviour.
> If just by paving the roads properly we can already save 10% instantly on
> CO2 emissions and petrol consumption this is somthing to think about.
> Question:
> Do some of you experience the same?
> Thanks
> Bumperkleber
>
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>> "Bob & Holly Wilson" ...
>>> king wrote:
>>>> In Belgium I got an average 5,2 l/km ( 45,3 MPG) and when I crossed the
>>>> border and the surface of the road turned smooth it showed an immediate
>>>> improvement to 4,7 l/km. (50,1 MPG). Still driving on cruisecontrol and
>>>> no
>>>> difference in driving behaviour.
>>>>
>>>> If just by paving the roads properly we can already save 10% instantly
>>>> on
>>>> CO2 emissions and petrol consumption this is somthing to think about.
>>>>
>>>> Question:
>>>> Do some of you experience the same?
>>>
>>> When I was researching tire rolling resistance I came across a lot of
>>> information about rolling resistance and the type of road surface. But
>>> since I don't have a lot of control over the road surface, I noted it
>>> but didn't really take any notes.
>>>
>>> What tire pressure do you run? How close is it to the maximum cold
>>> pressure for your tires?
>>>
>>> Bob Wilson
>>
>> Tirepressures is something I have not checked yet. Since the car is on
>> the road for just 4 days now.
>> I assume it has the standard pressure. I need to check the big book that
>> came with the car.
>>
> King, this is one area that the book is not so good on. Most of us are
> using tires inflated rather hard. I use 42 psi in the front and 40 in the
> rear and it adds significant MPG. Reported wear of tires the I have seen
> (in NGs and in real life) is unchanged/not noticed.
> Here is another book on-line that is pretty good and is written by users,
> not Toyota:
> http://john1701a.com/prius/documents/Prius_User-Guide.pdf
> Page 22 discusses tire pressure.
> Read this whole thing to learn a lot about your car. Read the regular
> manual as well - there is really good stuff in both.
> Hope this helps,
> Tomes