[aerohead]

I went through the limited info I have on EVs and am posting,so as to help us think about these:
*Texas CO-OP Power(Magazine) was given access to a Toyota Prius PHEV.
They reported a range for the car of 13-miles (21.3 km) at 60 mph (98 km/h) which works out at 2.95 miles/kWh (4.84 km/kWh).
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Google.org's Toyota Prius PHEV-30,Hymotion Inc.'s 5kWh Lithium-polymer kit promised 30-miles city range.
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Toyota's pre-production Prius PHEV was rated at a max.62 mph before enngine would kick in,at 8-miles range (13 km)
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The Chevy VOLT returns about 35-miles with 16-kWh pack,for 2.187 mi/kWh (3.586 km/kWh)
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The 2011 SMART ED got 3.818 miles/kWh (6.25 km/kWh)
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The NISSAN LEAF got 4.08-4.7 miles/kWh (6.68-7.7 km/kWh
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The 1992 NISSAN FEV got 4.5 miles/kWh (7.37 km/kWh)
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The 1992 Toyota Paseo 'AESOP' got 1.82 miles/kWh under slow city driving (2.98 km/kWh)
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The 1991 GM IMPACT got 8.9 miles/kWh
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A generic EV (ROAD & TRACK) 1992, absorbed 3kW at a constant 30 mph (49 km/h)
With air conditioning on the same car absorbed 4.2 kW at same speed.
'The most efficient A/C will cut range by 20%.'(CAR and DRIVER,May,'92)
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The 1996 GM EV 1 was rated at 79-miles 'combined.'
with 30 kWh/100 miles CITY
with 25 kWh/100 miles HWY
4.846 miles/kWh combined (7.944 km/kWh)
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The Mitsubishi i-MiEV returned 3.125-5.0 miles/kWh (5.122-8.196 km/kWh)
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William H.Kemp's 'ZERO-CARBON CAR',Maxda MIATA EV got 2.583 miles/kWh (4.236 km/kWh)
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The 1992 BMW E1 returned 5.98-8.07-miles/kWh (9.8-13.2 km/kWh)