Crude futures fell Monday as the Dollar strengthened, offsetting gains on colder weather expectations and geopolitical worries. Light, sweet crude for January delivery settled 89 cents lower at $72.47 a barrel on the New York Mercantile Exchange, after touched an intraday high of $74.32 a barrel. The contract expired on Monday. Crude for February delivery settled 70 cents, or 0.9%, lower at $73.72 a barrel. Oil prices were supported recently by the massive snowfall in the U.S and Europe as well as geopolitical concerns in Iraq and Nigeria.