But from "well to wheels", counting emissions from cars' exhaust pipes, tar sands are only 5-15% dirtier, says IHS CERA.

但剑桥能源咨询公司认为，如果是以“从油井到车轮”的方式，只计算汽车排气管排出的二氧化碳量，从油砂中提取石油只增加了5 ~ 15%的排放量。

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Curry finished 8 for 13 and Plumlee took over inside by making 10 of 15 shots against the Tar Heels' undersized frontline.

NPR: No. 3 Duke Hammers North Carolina 69-53

James Michael McAdoo finished with 15 points to lead the Tar Heels despite playing with a bulging disk in his back, but the rest of his teammates did little to help him.

NPR: No. 3 Duke Hammers North Carolina 69-53

The Tar Heels (52-8) take on fourth-seeded Canisius (42-15) on Friday evening after second-seeded Florida Atlantic (39-20) faces third-seeded Towson (29-28) in the opener of the double-elimination regional.

WSJ: No. 1 seed UNC ready to begin NCAA regional