As far as I can tell the Queen Elizabeth class battleships (commissioned in 1915) were the first warships the RN had that were all-oil-fuelled (it had been promulgated by Fisher and Churchill, and the conversion to an all-oil fleet was largely completed by the end of WW1 (1918).
Use water and coal. :D
coal and oil come from many different places. Like coal from mines. oil from the ground.
Coal AND Oil
1. Oil 2. Coal 3. Natural Gas...
The USS Langley, converted from a coal ship when the US Navy switched from coal to oil after World War 1. The ship was named for American aviation pioneer Samuel P. Langley.
In 1911 he became First Lord of the Admiralty, and he changed the RN from coal to oil propulsion.
The three main fossil fuels are coal, oil and natural gas
Natural GasCoalOilMethane Clathrates (methane/water ices)
Transformation of coal in a substitue of oil.
Natural GasCoalOilMethane Clathrates (methane/water ices)
Coal can be converted to oil . The South African's during the years of Apartheid, when they suffered a trade embargo on oil, developed the industrial process of converting coal to oil, viz. SASOL. South Africa has millions of tons of coal that can be mined.
Coal is to oil as mine is to minerals. Both coal and oil are fossil fuels extracted from the earth, just as minerals are extracted from mines.