A sign reads 'Sorry out of use' on a diesel pump at a BP gas station in Brentwood, U.K., on September 23.

A sign reads 'Sorry out of use' on a diesel pump at a BP gas station in Brentwood, U.K., on September 23.

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'A really stressful situation': The people stranded by Britain's fuel crisis

As well as dropping people off at nightclubs, train stations and shopping centers, David Lawrie's taxi drivers are relied upon to transport disabled passengers, and drive children to school. But as fuel stations across the UK run dry, those drivers are having to make difficult decisions about who does and doesn't get to travel.