"Phil" wrote in message
oups.com...

...much better idea than driving the
thing about with all those heavy
batteries!

The Prius battery is very light in fact.
"It has a curb weight of 1254 kg. The Prius ... weight of the complete
battery pack is 53.3 kg."
http://64.233.183.104/search?q=cache:c0cnio7AHR0J:www.nrel.gov/vehiclesandfuels/energystorage/pdfs/2a_2002_01_1962.pdf+Prius+battery+%22weight%22&hl= en

Amazing. They all guess and always get it wrong.