Abstract
Due to the rapid development of the global economy, fossil oil is widely used, leading to its depletion and gradual deterioration of the global environment, including global warming, the greenhouse effect, fog, and haze. Therefore, many researchers have been interested in studying alternative fuels in an attempt to develop an eco-friendly fuel to replace traditional fuel and solve the above environmental problems. Biodiesel is a renewable and eco-friendly fuel that is the most promising alternative fuel for diesel engines, and a significant amount of research and development has focused on biodiesel. Canola oil biodiesel (COB) is one type of biodiesel, and it has an advantage in oil production per unit area compared with other biodiesels. This paper summarizes and reviews studies related to the use of COB in different diesel engines under a variety of operating conditions. We focus on evaluating the combustion and emission characteristics of COB based on a large number of papers (including our previous studies). In addition, this paper serves as a valuable reference for in-depth studies of COB use in diesel engines, as it covers the topic from the production of COB to its use in diesel engines.
Highlights
Fossil oil resources are being widely exploited, due to the rapid development of the global economy and the ever-growing number of vehicles
We review and summarize the characteristics and applications of canola oil biodiesel (COB) in diesel engines to further the development and application of biodiesel in Asia
Some biodiesel fuels are liquid at room temperature because they have high unsaturated fatty acid content; these biodiesel fuels can be directly used in diesel engines or mixed with pure diesel fuel without further treatment
Summary
Fossil oil resources are being widely exploited, due to the rapid development of the global economy and the ever-growing number of vehicles. Excessive exploitation and utilization of fossil oil can damage the environment [1,2,3]. People in modern society live in comfortable environments, they must endure the inconveniences caused by air pollution, including global warming, the greenhouse effect, desertification, acid rain, fog, haze, and volatile organic compounds [4,5,6]. In China, fog and haze are important topics. Most of China’s cities are shrouded in fog and haze in the winter. In January 2013, there were only five days in Beijing that did not have fog or haze. Environmental pollution can significantly affect people’s lives and health [7,8,9]
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