I'm on the edge of not needing to own a car in LA and so a far cheaper car would provide my needed transportation services. However the times that I've tried not using a car were kind of isolating, there are several things that I might like to do that are late enough in the evening that the trains don't run, and there's a big difference between 20 minutes of travel in a car and more than an hour in mass transit.
Additionally if I wanted to have any chance of dating I kind of think that I need to be able to go places to spend time around people and possibly even pick people up. (Though of course my real problem with dating is that I'm a shy introvert whose not particularly assertive about flirting with those I find attractive.)
But for whatever reason I'm thinking that cleaning my apartment and getting a less embarrassing car might up my chances a little
The prius has very good emissions, and is also has very low CO2 emissions according the EPAs Green vehicle guide