Oil prices rise as U.S. dollar drops

NEW YORK, Dec. 20 (Xinhua) -- Oil prices climbed on Tuesday, finding support from a weaker U.S. dollar.

The West Texas Intermediate for January delivery added 90 cents, or 1.2 percent, to settle at 76.09 U.S. dollars a barrel on the New York Mercantile Exchange. Brent crude for February delivery gained 19 cents, or 0.2 percent, to settle at 79.99 dollars a barrel on the London ICE Futures Exchange.

The do