The one time I drove an electric car I found myself driving like a shitbag, I think it's the lack of engine noise, and instant torque so you don't really realize how fast you're actually moving.
http://25.media.tumblr.com/tumblr_m9echxC5Ex1qcq2vho1_500.gif
http://25.media.tumblr.com/tumblr_m9ed3jv8Ah1qcq2vho1_500.gif