As time goes on, there will be more used electric/gas cars on the market.
The best electric car on the market right now is the ZAP Xebra at $10,500, as it has the capability of going 40 mph.
http://zapworld.com/electric-vehicles/el...
There will be more in 2009, if you consider $30,000 to be affordable. The ZAP Alias and Miles Javlon will be able to go 100 and 80 mph with ranges of 100 and 120 miles per charge, respectively.
http://milesev.com/
Get an old style beetle, convert to electric for under 4000 USD. wildernessev.com