NEW YORK: Oil prices were on track on Friday to post their steepest losses in a week since March, after another partial lifting of Russia's fuel export ban compounded demand fears due to macroeconomic headwinds. On Friday, Brent futures edged higher at 7 cents at $84.14 at 11:22 a.m. EDT (1522 GMT). US West Texas Intermediate crude futures were up 4 cents at $82.35. For the week, Brent was on track for a decline of about 11.7% and WTI headed for a 9.3% drop, on worries that persistently...