Hybrid Car – More Fun with Less Gas

Comparison of 2008 and 2010 Prius

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Posted by bwilson4web on September 22, 2011, 2:25 pm
One the primary determinants of Prius performance is the model year.
Here is a table of the 2008 versus the 2010:

30-35    2    1.6%    0    0.0%
35-40    7    5.6%    7    4.7%
40-45    35    28.0%    15    10.0%
45-50    41    32.8%    56    37.3%
50-55    32    25.6%    42    28.0%
55-60    7    5.6%    26    17.3%
60-65    1    0.8%    3    2.0%
65-70    0    0.0%    0    0.0%
70-75    0    0.0%    1    0.7%

Obviously, the mileage has significantly improved, Driving style is
important but it is obviously harder to get lower mileage with the
ZVW30 compared to the NHW20.

Bob Wilson

Posted by bwilson4web on September 25, 2011, 7:31 am

This graph shows the data for the NHW11, NHW20, and ZVW30:

Bob Wilson

Posted by Neo on October 10, 2011, 9:31 pm
The ZVW30's onboard computer tries more actively
to manage the car's energy efficiency than the NHW20.
Some hypermilers like Wayne Gerdes find this tendency
to be annoying -- it's sort of like one too many chefs
in the kitchen.  However, for the non-hypermiler driver,
the more active onboard computer means more MPGs.

I've driven the NHW20 only twice (two road trips from
DC to Detroit) - I like the NHW20 interior more than the
Star Trek ZVW30  interior. I don't use the middle hand
rest in the 2010 - its gets in the way most of the time
and the fabric is too easily soiled.  I like the ZVW30
HSI display but the HV SoC gauge should have been
a permanent display next to the gasoline fuel tank
gauge. I feel that ZVW30 driver's seat is more
comfortable for longer trips than the NHW20 driver's seat
The ZVW30 upper glove compartment needs a lower
lip to limit/prevent items from falling out. The ZVW30
needs a coolant-temperature gauge. A electric
power ready green/red LED would be nice ( if the inverter
temps are too high or the battery is not available then
the two phase LED would be red not green).
I've found for tracking fuel efficiency a Gallons Per Hour
(or Liters Per Hour) coupled with the RPM output is
useful than the iMPG because  when one is going up
hill - its more important to set the ICE at its
optimium power-to-fuel usage ratio than to get the
highest iMPG.

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