| http://www.w3.org/ns/prov#value | - The federal agency claims a bus whose engine is running while stationary consumes about one-half gallon of fuel per hour. ??By reducing the idling time of each bus in its fleet by one hour per day, Durham would reduce its fuel use by 1.25 million gallons per year and avoid emitting 28 million pounds of carbon dioxide per year,?? the release stated, adding, ??Carbon dioxide is a greenhouse gas that
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