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New mixed-oxide catalysts shown as viable substitute for platinum catalysts for diesel exhaust aftertreatment

Green Car Congress

Under laboratory-simulated diesel exhaust conditions, this mixed-phase oxide material was superior to Pt in terms of cost, thermal durability, and catalytic activity for NO oxidation. and octahedral coordination environments, respectively. Diesel engines are attractive because of their higher fuel efficiency than gasoline engines.

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Daimler Trucks NA SuperTruck achieves 115% freight efficiency improvement over 2009 baseline; 50.2% engine BTE

Green Car Congress

Daimler Trucks North America’s (DTNA) SuperTruck program has achieved 115% freight efficiency improvement (gallons of fuel consumed per ton of goods moved per mile traveled)—surpassing the Department of Energy (DOE) program’s goal of 50% improvement and exhibiting the best results of all reporting OEMs. Click to enlarge. Earlier post.)

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Study links air pollution to increased emergency department visits for heart and lung disease

Green Car Congress

They found that exposure to pollutants such as ground-level ozone and nitrogen oxides, which are created from burning fossil fuels, led to increased ED visits. The study is published in the journal Environment International. cities including Atlanta, GA; Birmingham, AL; Dallas, TX; Pittsburgh, PA; St. —Krall et al.

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