What is the difference between fuel oil and gasoline?
3 Answers
The differences between fuel oil and gasoline lie in their properties and characteristics. Here are the specific details: 1. Different properties: Fuel oil is mainly made from cracked residue oil and straight-run residue oil of petroleum. Gasoline is obtained by refining different gasoline components such as straight-run gasoline components, catalytic cracking gasoline components, and catalytic reforming gasoline components from petroleum refining, and then blending them with high-octane components. 2. Different characteristics: Fuel oil is characterized by high viscosity and contains a large amount of non-hydrocarbon compounds, gum, and asphaltenes. The important characteristics of gasoline are volatility, anti-knock properties, stability, and corrosiveness.
I think there's quite a difference between fuel and gasoline. Let me share my experience first: When refueling, gasoline is the type of fuel for regular cars—it starts quickly and accelerates fiercely, but it burns fast and has higher fuel consumption on long trips. Fuel is a general term that includes diesel, ethanol-blended fuels, etc. Last time I drove my friend's diesel SUV, it felt super fuel-efficient. Although the engine was noisier, the range was much better. The key point is that gasoline has a lower ignition point, making it suitable for spark-ignition engines, while fuels like diesel require compression ignition and are more durable for trucks or off-road vehicles. Nowadays, many cars use blended fuels like ethanol-gasoline, which are more environmentally friendly and reduce carbon emissions—something I really care about. In the end, gasoline is a specific type of fuel, and choosing the right one can save money and ensure safety.
As a car enthusiast, I often ponder this matter. Gasoline specifically refers to liquid fuel for passenger vehicles, categorized into grades like 92 and 95. The term 'fuel' has a much broader scope, encompassing diesel and even new energy sources like CNG or hydrogen—all collectively called fuels but with different compositions. Gasoline is primarily hydrocarbons, highly volatile and flammable, while diesel is denser and more heat-resistant. Engine designs differ significantly: gasoline engines rely on spark plugs for ignition, running quietly but with average efficiency; diesel engines use compression ignition, delivering robust power ideal for heavy loads. In practical driving, I've noticed gasoline cars are quieter but consume more fuel at high speeds, whereas diesel cars start slower yet prove more cost-effective. The current push for cleaner fuels like bioethanol to reduce pollution better reflects future trends. Understanding these differences helps in vehicle maintenance and choosing the right fuel, avoiding unnecessary hassles.