Environmentally safer traveling.  Part I: Automobiles.
Wolff
Peggy
P
D000397:Air Pollution / Q000009:adverse effects / Q000517:prevention & control*; D001336:Automobiles / Q000592:standards*; D004781:Environmental Exposure / Q000009:adverse effects / Q000517:prevention & control; D017408:Guidelines as Topic; D006801:Humans; D014195:Travel; D014481:United States