If the Volt is a "hybrid" what is the (non-plugin) Prius?  And if you call
the Volt "electric", how do you differentiate between it and the Leaf?  I
think Bruce has said many times he likes the Volt, he just wants people to
differentiate the various technological approaches with the names that have
been used for them for many years before GM Marketing decided to redefine
things.  

It is easy to see that many people would prefer to have or can only afford
one vehicle, and the Volt permits them to drive electric much of the time,
but also do longer trips using some gas.  Unlike a Hybrid Electric Vehicle
(HEV), A Plug-in Hybrid Electric Vehicle (PHEV) can drive with good
performance in all electric mode, but it can also go much further than an
Electric Vehicle, which has no ice, so why not indicate that in the name
given to the technology?  That is more informative than just calling any
combination that makes use of an electric motor an EV.  Things were
well-defined before GM introduced the Volt: 
EV: only electric motor for propulsion
PHEV: electric motor and ice, can charge from the grid and drive in
all-electric mode
HEV: electric motor and ice, cannot charge from the grid, and cannot drive
in all-electric mode, or does so poorly due to small size of the electric
motor. Uses electric motor as "assist" to ice, so ice can run more
efficiently.

That information is lost if you just call everything "electric".  I think
that to some people this is an "I'm greener than thou" issue, and to others
like me, it is an issue of being more precise and informative in
terminology.




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