In this paper technological process of catalytic cracking and catalytic reforming and post-processing of waste fat and oil are discussed to prepare the qualified liquid fuel oil.

本论文主要探讨通过废食用油脂催化裂解，裂解气催化改质，燃料油后处理的工艺，将废油脂制备成合格的燃料油。

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Among those methods of ensuring the supply of liquid fuel, shale oil is a realistic energy substitute for petroleum.

在保证液体燃料供应的诸多办法中，页岩油是一种较现实的石油替代能源。

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The Author describes some characteristics of gas fuel and liquid fuel for industry heating, and necessary adjustment of related facilities converting from MG or oil to ng.

文章介绍了气体和液体燃料用于工业加热的一些基本特性，以及对工业加热设备的燃料从人工煤气或油向天然气转换时，设备应做的调整。

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We have enough coal, when converted to liquid fuel, to replace oil for 200 years.

FORBES: Montana Gov. Brian Schweitzer

The bill would allow for the early payment of the winter fuel allowance to people whose homes are not connected to the mains gas grid and whose principal source of fuel is home fuel oil, liquid petroleum gas or propane gas.

BBC: Winter Fuel Allowance Payments Bill

Oil shale and tar sands are other sources of liquid fuel that are harder on the environment than petroleum.

NPR: Will Pricey Fuel Prompt Greener Energy Habits?