Car manufacturers are in the process of developing less toxic, more environmentally sound car interiors. While we wait, we can study this page developed by green journalist Debra Lynn Dadd, and actually discover which current car interiors are safest for the environment and the chemically sensitive.
For information on how to find a new car that can provide you with excellent interior air quality, click here and here. Used cars can be good choices since their PVC toxins have “gassed out” into the atmosphere. Here’s a balanced article on the whole subject from MSNBC.

If you’re spending a lot of time in your car, these reports are important.
Stuck with a car (old or new) whose smell you don’t adore? Click here and read about which essential oils can uplift you. Good oils for summer air freshening are cardamom, citronella, coriander, eucalyptus, geranium, ginger, grapefruit, jasmine, lemon, lime, peppermint, rose, spearmint, and ylang ylang. Car oil-diffusing kits like this one are usually available at the health food store.