It was converted to burn oil in the early 1970s.
The action was taken after reports that the vehicles' engines burn oil too quickly and could catch fire.
An increasing number of power stations use natural gas, these also burn oil when required.
It was as if they burned oil by thousands of gallons to hold back something their long range weapons couldn't stop.
They were converted to burn oil in the early 1970s.
Now my father's back is bad and he burns oil.
As a country, only 3 percent of our electricity comes from burning imported oil.
The engines, which burn No. 6 oil, also provide the heat and hot water for the campus.
The old lamp had to burn oil, you see - there wasn't electricity in those days.
In 1908 it was converted to burn oil rather than wood.