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We would like to eliminate the air pollution associated with VMT by
making private cars dual mode on a guideway powered by PV solar
panels under the guideway.  The key to this claim is extreme
engineering energy efficiency brought on by a combination of low
aerodynamic drag and low rolling resistance of the electric
vehicles on guideway.  Cd of .07 rolling coefficient of .004 and a
triangular guideway so the air can escape between the vehicle body
and the guideway where they intersect.  Not only does this
reduction in energy allow for a much smaller battery using rare
materials it allows these smaller battery packs to be swapped while
the vehicle is rolling eliminating the fuel gauge eliminating the
made up term range anxiety.  While in the service area these dual
mode vehicles have infinite range.  Adding guideway allows
infrastructure to be built afford-ably for the population as it
expands.  The transportation CO2 budget suddenly gets bigger if
four=passenger cars no longer create PM 2.5 or CO2.  Powering
straight from sunshine eliminates the public perception that VMT
are bad.  This is a paradigm shift in how mobility is viewed by the
government and the public.  It is then no longer a sin to go places
when there is no ecological damage.  This month we submitted to the
Colorado DOT an RFI response that describes water delivery from
East Texas over the continental dived near Denver to the Eagle
River to the Colorado River to Yuma then man made canal to LA. 
This guideway system can move 51.75 million gallons of water to the
suburbs of LA without depleting ground water or using any fossil
water.  That project at CDOT is called WaterBeads.  It uses the
same guideway support poles as the people version as it goes
through the Rocky Mountains.  Across Texas it uses highway right of
way that is presently a liability and has to be mowed constantly. 
The PM 2.5 contribution of WaterBeads is zero also.  If that water
was sent via traditional pipeline the pollution would be
considerable from the pumping stations each with thousands of
horsepower running 24/7/365.  
Reductions of PM 2.5 in the valley if dual mode vehicles were built
would be half the current projections with a reasonable market
penetration.