Our '71 Motobecane 50v? She gets great mileage, sounds mean in an if-Kathleen-Turner-Were-a-Stinging-Insect kinda way, and pollutes the air way more than your Escalade, chump. According to a study by the Swiss Federal Laboratories for Materials Testing and Research, Japanese, German and Italian bikes produce much higher hydrocarbon emissions than cars, and they recommend legislators take steps to change that. If the gory details thrill ya, the full study will be published in American Chemical Society's journal Environmental Science & Technology.
Gross Polluters, Stay Out of Shanghai! You Will Be Fined! [Internal]