Oil falls on output cut scepticism, OPEC and Russia output rise

By Scott DiSavino NEW YORK (Reuters) - Oil prices on Tuesday ended lower for the first time in a week since OPEC agreed to cut output on growing scepticism that the cartel would be able to reduce supplies as data showed record high production in most major export regions. After rising over 15 percent over the four sessions since the Nov. 30 OPEC meeting, Brent futures lost $1.01, or 1.8 percent, to settle at $53.93 a barrel, while U.S. West Texas Intermediate (WTI) crude futures fell 86 cents, o