The second was the adoption of gas turbines in place of oil-fired boilers for all other navy ships.

The Itasca used her oil-fired boilers to generate smoke for a period of time but the fliers apparently did not see it.

Also the original oil-fired boilers have recently been replaced energy efficient natural gas burners.

Two new oil-fired boilers were installed and a seized pump fixed to bring the engine to running condition.

At the last minute he decided on an evening test, since with the oil-fired boiler working full blast the heat was unbearable during the daytime.

These were supplied with steam by two naval oil-fired boilers.

A similar but oil-fired boiler replaced the original boiler in 1963.

The oil-fired boilers originally used became obsolete due to the 1973 oil crisis, the year after the tower opened.

Inefficient appliances such as oil-fired boilers may also be outlawed.

The increased number of bathroom facilities meant oil-fired boilers had to be installed to cope with the demand for hot water.