What are E5 and E10? They are types of gasoline, and the numbers in the names represent the percentage of bioethanol mixed into the fuel. E5 gasoline contains up to 5% ethanol, while E10 gasoline contains up to 10% ethanol.
Ethanol is a renewable source of fuel. The main difference between E5 and E10 gasoline, apart from ethanol content, relates to vehicle compatibility. Not all cars are designed to run on E10 fuel.
The second main difference between E5 and E10 gasoline, which many drivers do not know, is their effect on engine performance. Because ethanol has less energy than gasoline, using E10 fuel means your engine must burn more fuel to provide the same amount of energy. Although E10 gasoline is a little cheaper at the pump, it consumes more.
A friend of the environment
In terms of environmental impacts, E10 is considered the “greener” of the two options because it contains more renewable ethanol. However, CO2 emissions depend on many factors, including your car’s efficiency and use.
If your vehicle is compatible with both types of fuel, E10 can be a good choice for the environmentally conscious driver, although this may come at the expense of fuel efficiency in some vehicles.
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