"U.S. carbon dioxide emissions rose by 4 percent in the first quarter, as American drivers hit the road in record numbers during the first three months of the year. Drivers tallied 753 billion miles in the first three months of the year, the highest total on record."

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Rail chat at! Discussing a vision for a comprehensive, long-distance, passenger and freight rail network, with seamless connections to other modes of transportation, to create economic, environmental and equity benefits.