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What is a Hybrid Electric Vehicle?

2 Answers

Briella

07/24/25 2:20pm

Broadly speaking, a hybrid electric vehicle refers to a vehicle whose propulsion system consists of two or more individual drive systems that can operate simultaneously. The vehicle's driving power is provided by a single drive system alone or jointly, depending on the actual driving conditions of the vehicle. More detailed information is as follows: 1. The commonly referred hybrid electric vehicle generally means a gasoline-electric hybrid vehicle, which uses a traditional internal combustion engine and an electric motor as power sources. Some engines are modified to use other alternative fuels, such as compressed natural gas, propane, and ethanol fuels. 2. As environmental protection measures become increasingly stringent worldwide, hybrid vehicles have become a focus of automotive research and development due to their energy-saving and low-emission characteristics, and they have already begun commercialization. 3. The electric power system used in hybrid electric vehicles includes highly efficient and enhanced electric motors, generators, and batteries. The batteries used include lead-acid batteries, nickel-metal hydride batteries, and lithium batteries. In the future, hydrogen fuel cells may also be used.

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DiPenelope

08/11/25 8:09am

A hybrid car is a vehicle that uses two power sources, typically a gasoline engine and an electric motor, which work together to drive the car. I've noticed that when driving such a car in stop-and-go city traffic, it mainly runs on electricity, making it very quiet and economical, with fuel consumption significantly lower than conventional cars. When accelerating on the highway, the engine switches to gasoline mode, ensuring sufficient power. I've driven my friend's Toyota Prius several times and experienced this transition: unlike electric vehicles, there's no need to find charging stations—just refuel, making it convenient and practical. Over time, it recovers energy through regenerative braking, such as charging the battery when braking, helping to save even more on fuel costs. I think this design is brilliant, perfect for daily commutes, reducing environmental impact while enjoying the comfort of modern technology. In short, if you want to save money and be eco-friendly, a hybrid is a great choice.

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What to Do When the Electric Start of a Motorcycle Fails?

Possible reasons why the electric start of a motorcycle fails include: 1. Switch not turned on: Before starting, check whether the motorcycle's switch is turned on and whether there is gasoline in the fuel tank. 2. Normal phenomenon: A spark of 5~8 mm in length can be generated between the spark plug and the cylinder block, and a discharge sound can be heard. At the same time, a spark can also be generated in the 0.7 mm gap between the center electrode and the side electrode of the spark plug. This situation indicates that the high-voltage ignition circuit is normal. 3. Ignition timing: If the engine does not operate, check whether the ignition timing is correct. If the ignition timing is correct, it means there is no problem with the high-voltage ignition system. Then, the reason why the engine cannot start should be considered from the fuel system or other parts.

What are the four wires of a motorcycle ignition switch connected to?

Motorcycle ignition switch 4-wire connection method: 1. Red - 12V: Positive input (the thin wire with a fuse coming from the battery). 2. Black - 12V positive output (controlled by the key, forming a closed circuit with the red wire to supply positive power to all vehicle electrical devices). 3. Green - 12V: Negative power supply. 4. Black/white wire - Engine kill wire: Controlled by the key, forming a closed circuit with the green wire to control the operation of the ignition unit to achieve engine shutdown. Below is a related introduction: The function of the motorcycle ignition switch is: when locked, it disconnects the positive wire and connects the ignition unit kill wire; when unlocked, it connects the positive wire and disconnects the ignition unit kill wire.

How Often Should a Car Carburetor Be Cleaned?

There is no specific regulation on how often a car carburetor should be cleaned, as it mainly depends on air conditions. Generally, it should be cleaned every 20,000 to 30,000 kilometers. The carburetor is a mechanical device that mixes a certain proportion of gasoline with air under the vacuum generated by the engine. Below is additional information: 1. Cleaning the carburetor involves removing impurities that block the fuel passages and metering orifices. If clogged, it will directly affect the vehicle's overall performance, manifesting as issues like poor acceleration and unstable idle speed, but it will not impact the engine's lifespan. 2. The contaminants in the carburetor come from gasoline. They undergo dual filtration through the filter screen and sediment bowl on the fuel drain switch before entering the carburetor. Inside, they are further settled in the float chamber before reaching the metering orifices. Therefore, under normal conditions, cleaning is unnecessary until poor fueling performance is noticed, typically after about 10,000 km. If frequently driving on dusty roads, increase the cleaning frequency as needed. 3. Frequent disassembly of the carburetor can affect the sealing of internal and surrounding connections, impairing gasoline atomization and leading to increased fuel consumption.

What brand is the Foton Tourana engine?

4F20TC3 is the engine model used in the Foton Tourana, with a maximum horsepower of 150, a maximum power of 110KW, a maximum power speed of 3500rpm, and a peak torque of 330N.m. The 4JB1TDi engine introduced by Tourana is a high-pressure common rail diesel engine developed and manufactured by Beijing Foton Engine Factory using Isuzu's advanced technology. For the daily maintenance of the Foton Tourana engine, the following methods can be used: Use lubricating oil of appropriate quality grade. For gasoline engines, SD--SF grade gasoline engine oil should be selected based on the additional devices of the intake and exhaust systems and usage conditions; for diesel engines, CB--CD grade diesel engine oil should be selected according to mechanical load, with the selection standard not lower than the manufacturer's specified requirements. Regularly change the engine oil and filter. The quality of any grade of lubricating oil will change during use. After a certain mileage, performance deteriorates, leading to various engine problems. To avoid malfunctions, change the oil regularly according to usage conditions and maintain an appropriate oil level. When oil passes through the fine pores of the filter, solid particles and viscous substances in the oil accumulate in the filter. If the filter is clogged and oil cannot pass through the filter element, the filter element may burst or the safety valve may open, allowing oil to bypass through the bypass valve, bringing contaminants back to the lubrication areas, accelerating engine wear and increasing internal contamination. Regularly clean the crankcase. During engine operation, high-pressure unburned gases, acids, moisture, sulfur, and nitrogen oxides from the combustion chamber enter the crankcase through the gap between the piston rings and cylinder walls, mixing with metal powder from part wear to form sludge. In small amounts, it remains suspended in the oil; in large amounts, it precipitates, clogging filters and oil passages, making engine lubrication difficult and causing wear. Regularly use a radiator cleaner to clean the radiator. Removing rust and scale not only ensures the engine operates normally but also extends the overall lifespan of the radiator and engine.

What to Do When the Motorcycle Fuel Line Doesn't Deliver Fuel?

Go to the after-sales service to clean and inspect the fuel tank cap, and unclog the vent hole. Below is the relevant content introduction: 1. Scooter: For a scooter, the fuel line should not leak fuel when the engine is off, but the fuel line itself may retain some fuel. Once this fuel is drained, no more should come out. If fuel continues to leak or drip, it might be due to a newly replaced fuel tank valve that doesn't close tightly. It's best to try replacing it again. 2. Vacuum Fuel Delivery: Scooters generally use a vacuum fuel delivery system. When the engine is not running, fuel inside the tank won't flow out. The fuel tank valve has two rubber hoses: one with a filter leading to the carburetor is the fuel line, and the other, thinner one leads to a tee (or cross) connector, which then connects to the intake pipe and carburetor, serving as the suction line. If you remove this hose and create suction, the other fuel line will deliver fuel. When the engine starts, due to the negative pressure, it continuously draws suction from this hose, causing fuel inside the tank to flow continuously to the carburetor.

How Many Years Before a Private Car Needs to Go Through Inspection?

The time for a motor vehicle to undergo inspection is determined based on the vehicle type. Except for passenger cars which are exempt from inspection for the first 6 years, other vehicle types must undergo inspection according to the specified schedule. Below are the specific details about vehicle annual inspection: 1. Meaning of Annual Inspection: Vehicle annual inspection refers to a mandatory test for all vehicles that have obtained official license plates and registration certificates. It is equivalent to an annual physical examination for the vehicle in accordance with the "Technical Conditions for the Safe Operation of Motor Vehicles." 2. Exemption Policy: Non-commercial small private passenger vehicles with 7 seats or fewer (including 7 seats) are exempt from on-site inspection for the first 6 years. However, the owner still needs to pass an exhaust emission test within the specified period (usually every 2 years) and then apply for an inspection compliance sticker at the vehicle management office, motor vehicle registration service station, or traffic police substation, which must be affixed to the upper right corner of the vehicle's front windshield. 3. Scope of the Exemption Policy: The 6-year exemption policy for non-commercial passenger vehicles and similar vehicles has been in trial implementation since September 1, 2014. Vehicles registered on or after September 1, 2012, are eligible for two exemptions; vehicles registered between September 1, 2010, and August 31, 2012, are eligible for one exemption; vehicles registered before August 31, 2010, must still follow the original inspection regulations for annual review procedures.

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