IS IT TIME TO $ELL YOUR GA$ GUZZLER?

And which are the WORST pollutants of the air we breathe? Besides the junkers that clunck around town - i.e., the one "car" that's missing the whole top and windsheild - it has bars for doors...I seriously want to ride in it though! I'll take pictures when I do...

For now, read an article about the cars that pollute our precious air the most.