Oil prices rose Monday as the attractiveness of a weaker dollar offset news of higher crude production by Saudi Arabia. The US benchmark, West Texas Intermediate for May delivery, closed 88 cents higher at $47.45 a barrel. In London, Brent North Sea crude for May added 60 cents, settling at $55.92 a barrel. “A further decline in the US dollar index is supporting a wider round of buying across the global commodity space, with crude oil attracting some share,” said Tim Evans of Citi Futures.