The war in the Middle East has sent oil prices skyrocketing — and UK drivers are already being warned to watch their fuel levels. The AA and the RAC, two of the UK's largest roadside assistance organizations, advised drivers on Monday to avoid non-essential journeys and conserve fuel after oil prices soared above $100 a barrel. Disruption to shipping routes through the Strait of Hormuz during the war in Iran has driven up oil prices. Major shipping companies are now avoiding the passage after