>JD> and their smaller size doesn't mean proportionally smaller cost.
 > 
 > The tens of thousands of successful battery road vehicles, have not 
 > been a problem cost- wise because the vehicle has extraordinary service 
 > life and reliability. 
We were discussing hybrid vehicles, not pure electric. A hybrid contains both 
an IC engine *and* an electric driveline, giving the advantages of both, plus 
the cost of both.
 >No problem. When the oil runs out, and/or when the owners of the world's 
il
 > manage to drive the price up much higher then hybrids and other EVs will
 > thrive. These may actually "take off" in the third world, where 
There is a larger proven reserve of crude oil at this moment (measured in 
years of usage) than there was in 1950.
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