Officials investigate 'hot gas'

Maryland Department of Agriculture inspectors are adding thermometers to their calibration tools as they make their routine rounds at gas stations.

Working with the Comptroller's Office, the inspectors in charge of verifying weights and measures, will also test the temperature of gasoline throughout the state for the next year.

Comptroller Peter Franchot and Agriculture Secretary Roger Richardson announced Tuesday a yearlong study in to "hot gas."

Motorists may be getting shortchanged at the gas pump if the temperature of the gasoline exceeds 60 degrees Fahrenheit. Above that temperature, gasoline begins to expand, which...