What you see online is advertisements, which are not technical, so you can't see the truth. Let me introduce myself. I am a real practitioner.

Alcohol-free fuel, yes, is widely used in Jiangsu, Zhejiang and Shanghai. Used to be methanol fuel. Because of some special reasons and different local policies, some areas naturally have alcohol-free fuels.

The so-called alcohol-free fuel means no methanol. The main raw materials are oils and fats, such as kitchen waste oil, petroleum by-products, aromatic hydrocarbons and light oil. They are all blended. The comparison between alcohol-free fuel and methanol fuel has its own advantages and disadvantages. Methanol fuel has a history of more than ten years, and alcohol-free fuel has just been one or two years, and there is still much room for improvement in technology and furnace core configuration. Each has its advantages and disadvantages.

Advantages of methanol fuel: low cost, easily available raw materials, cheap furnace core, clean combustion without residue, clean emission, good versatility, no geographical restrictions and no temperature influence.

Disadvantages: low calorific value, large consumption, low flash point,

Advantages of alcohol-free fuel: flash point over 60 (not dangerous goods, this is the biggest selling point), high calorific value and durability.

Disadvantages: Oil will have carbon residue and poor fluidity in winter. The supporting furnace core is higher than the methanol furnace core, and the unit price is much more expensive than methanol. Quality stability is not as good as methanol, and emission cleanliness is not as good as methanol. In fact, alcohol-free fuel is similar to diesel fuel burned in restaurants before.

To sum up, if your local policy allows, methanol is more suitable for the market at present, and alcohol-free fuel will be the mainstream in the future.

By the way, under popular science, many novices will ask, since alcohol-free fuel can't be ignited, how can it be ignited? Technology is the core of the furnace, and there are generally several methods:

One: electric heating, as long as the furnace core is heated to a certain temperature (reaching the flash point of oil), EFI can realize electronic ignition and start with one button.

Two: EFI atomization, which uses an oil pump to atomize the oil evenly through the nozzle to realize electronic ignition. Its principle is dust explosion.

Three: air atomization, using air compressor or small air pump to atomize under high pressure, and the principle of electrospray atomization is basically the same. The advantage of air atomization is that it solves the problem of oil pump vulnerability at low temperature.

Ignition is not a problem, and developing a cheap, practical and durable furnace core is the future development direction. At present, the raw material procurement and quality control of alcohol-free fuel still need to establish perfect standards.

More than ten years of experience, practical skills. Original, share my encouragement with you in my spare time.