Combustion of gas or oil fuel occurs in burners at the bottom of the heater.

在加热炉的底部，燃料油或天然气通过燃烧器燃烧。

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CWS (coal water slurry) is a new substitute for oil fuel which has been widely used.

作为新型代油燃料，水煤浆有广阔的应用前景。

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Nuclear energy may overtake oil as the main fuel.

核能可能会超过石油成为主要燃料。

《牛津词典》

These students from Loyola University in Chicago are demonstrating how to transform ordinary cooking oil into fuel for cars.

VOA: standard.2010.04.25

Many so-called greenhouse gases, such as carbon dioxide, come from burning fossil fuel such as oil or coal.

VOA: standard.2009.12.16

China is particularly keen to secure supplies of oil and natural gas to fuel its rapidly expanding industries.

VOA: standard.2009.10.13

The remaining value can be attributed to oil and gas trading and energy products like natural gas, synthetic oil, bitumen and fuel oil.

FORBES: Connect

If we have less cheap oil and fuel to burn, our carbon emissions will necessarily fall.

FORBES: Global Warming Is No Threat?

One trillion barrels of oil would fuel the entire world for nearly 35 years.

FORBES: What's A Few $Billions Or $Trillions More Or Less? Here's The Long And Short Of It