COLLECTION: Fueling a City's Needs

California's Chula Vista residents are adding another health craze to their list — using a blend of biodiesel and ester to reduce fuel emissions from garbage trucks. Used in collection trucks by San Diego-based Pacific Waste Services (PWS), the biodiesel/ester concoction is made from 80 percent diesel and a 20 percent mix of biodiesel and Ethos Fuel Reformulator (Ethos FR), named B20 Ethos. Biodiesel typically is derived from soybeans and vegetable oils. Ethos FR is a nontoxic, nonhazardous ester. Already, PWS is reporting emissions reductions of 63.9 percent after one month of using the B20 Ethos, and the ...

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