Extended-Range Vehicles
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We have established long-term relationships with professionally qualified companies to meet your customized requirements such as vehicle modifications.
What is Extended-Range Vehicles
A range extender vehicle, also known as a Range Extended Electric Vehicle (REEV), is a hybrid vehicle that combines the advantages of both pure electric vehicles and traditional gasoline-powered vehicles. It exhibits unique advantages in both urban traffic and long-distance travel, and is gradually gaining popularity among consumers.
The core principle of a range-extender vehicle is to drive the vehicle with an electric motor while also having a small internal combustion engine as a generator to charge the battery when the battery power runs low, thus extending the vehicle's range. This design allows range-extender vehicles to retain the zero-emission, low-noise features of electric vehicles while solving the problem of short range for pure electric vehicles.
Specifically, when the vehicle is in daily commuting or short-distance driving, the range extender mainly relies on battery power to achieve zero-emission driving; during long-distance travel or when the battery is low, the internal combustion engine will start and charge the battery to ensure that the vehicle can continue to operate. This flexible switching mechanism between power systems allows the range extender to provide a good driving experience in different usage scenarios.
Fuel Economy
Electric vehicles can reduce fuel costs dramatically because of the high efficiency of electric-drive components. Because all-electric vehicles and PHEVs rely in whole or part on electric power, their fuel economy is measured differently than that of conventional vehicles. Miles per gallon of gasoline equivalent (MPGe) and kilowatt-hours (kWh) per 100 miles are common metrics. Depending on how they are driven, today's light-duty all-electric vehicles (or PHEVs in electric mode) can exceed 130 MPGe and can drive 100 miles consuming only 25–40 kWh.
Infrastructure Availability
All-electric vehicles and PHEVs have the benefit of flexible charging because the electric grid is near most locations where people park. To safely deliver energy from the electric grid to a vehicle's battery, an EV charging station, sometimes referred to as electric vehicle supply equipment (EVSE), is needed. Drivers can charge overnight at a residence, including multifamily housing, as well as the workplace or a public charging station when available. PHEVs have added flexibility because they can also refuel with gasoline or diesel (or possibly other fuels in the future) when necessary.
Emissions
Electric and hybrid vehicles can have significant emissions benefits over conventional vehicles. All-electric vehicles produce zero tailpipe emissions, and PHEVs produce no tailpipe emissions when operating in all-electric mode. HEV emissions benefits vary by vehicle model and type of hybrid power system.The life cycle emissions of an electric vehicle depend on the source of the electricity used to charge it, which varies by region. In geographic areas that use relatively low-polluting energy sources for electricity production, electric vehicles typically have a life cycle emissions advantage over similar conventional vehicles running on gasoline or diesel.
Batteries
The advanced batteries in electric vehicles are designed for extended life but will wear out eventually. Several manufacturers of electric vehicles are offering 8-year/100,000-mile battery warranties. Predictive modeling(PDF) by the National Renewable Energy Laboratory indicates that today's batteries may last 12 to 15 years in moderate climates (8 to 12 years in extreme climates). In addition to climate, other factors impacting battery life include driving and charging patterns, battery cell chemistry and design, and the vehicle-battery-environment thermal system.
Types of Extended-Range Vehicle
Series Hybrid Electric Vehicle
This is the most common type of range-extended electric vehicle, whose working principle is to drive the vehicle directly by the electric motor, while the internal combustion engine serves as a generator to charge the battery. When the battery is fully charged, the vehicle runs entirely on electric power; when the battery is low, the internal combustion engine starts and charges the battery to ensure that the vehicle can continue to run. This design allows the vehicle to achieve zero emissions during daily commutes or short trips, and maintain a longer range during long trips.
Example: LI Auto ONE is a typical series-hybrid extended-range vehicle that comes equipped with a large battery pack and an efficient range-extending power generation system, providing excellent driving experiences on city and highway roads. Additionally, the LI Auto ONE features an intelligent energy management system that automatically adjusts the operation of the battery and internal combustion engine based on real-road conditions, further optimizing energy consumption.
Parallel Hybrid Vehicle
Unlike series hybrids, parallel hybrid vehicles allow the internal combustion engine and electric motor to drive the vehicle simultaneously. In some cases, the internal combustion engine can drive the wheels directly, while in other cases, the electric motor is responsible for driving. This design provides a more flexible power distribution method, allowing the vehicle to choose the most suitable driving mode based on actual needs. Parallel hybrid vehicles are typically suitable for scenarios that require higher power output or complex road conditions.
Example: Some high-performance range-extending vehicles may use a parallel design to ensure better performance under high-load conditions, such as acceleration and climbing hills. For example, the BMW i8 plug-in hybrid sports car uses a parallel range-extending technology that not only provides strong power output but also allows zero-emission driving in urban environments.
Series-Parallel Hybrid Plug-in Hybrid Electric Vehicle
A hybrid range extender combines the advantages of series and parallel configurations, automatically switching between driving modes in different operating conditions. For example, in low-speed or light-load conditions, the vehicle can operate in series mode, driven by the electric motor. In high-speed or heavy-load conditions, it switches to parallel mode, with the internal combustion engine and electric motor working together. This design not only improves energy utilization efficiency, but also enhances the vehicle's adaptability and flexibility.
Example: The Voyah FREE is a hybrid extended-range vehicle that can intelligently switch between driving modes to optimize range and driving experience under different driving conditions. The Voyah FREE also comes equipped with advanced battery management systems and intelligent driving assistance systems, enhancing overall safety and comfort.
Plug-in Range Extended Electric Vehicle (PHEV)
A plug-in extended-range vehicle is an electric vehicle that can be charged via an external power source. Such vehicles typically come equipped with a large battery pack that allows for longer distances to be traveled in electric mode. When the battery runs out of power, the internal combustion engine starts and charges the battery, extending the vehicle's range. The advantage of a plug-in extended-range vehicle is that users can choose to charge it at home or at public charging stations, reducing dependence on gas stations.
Example: The BMW i3 REx is a plug-in extended-range vehicle that not only has a long pure electric range, but also can extend the driving distance further with a range extender, suitable for various travel needs in urban and suburban areas. In addition, the BMW i3 REx supports fast charging technology, greatly reducing the charging time and improving the convenience of use.
How to Choose Extended-Range Vehicles
1. Clear usage requirements
Before choosing a range extension vehicle, you must first clarify your own use needs. Different driving habits and travel scenarios determine the most suitable type of vehicle.
- Daily commute: If you mainly drive short distances within the city, you can choose an extended range vehicle with a larger battery capacity and a longer battery life. Such vehicles hardly need to start the internal combustion engine in daily use and can achieve zero-emission driving.
- Long-distance travel: If you take long trips or cross-city trips frequently, range and ease of charging are especially important. Choose a model with an efficient range-extending power generation system that automatically switches to fuel mode when the battery is low, ensuring a hassle-free trip.
- Difficult road conditions: If you often drive in mountainous or difficult road conditions, you may need higher power output and better passability. At this point, parallel or hybrid range extender vehicles may be a better choice, because they can flexibly switch drive modes in different working conditions, providing greater power support.
2. Pay attention to technical specifications
2. Pay attention to technical specifications
Understanding and comparing the technical parameters of different range extension vehicles is an indispensable step in the selection process. The following are several important technical parameters:
- Battery capacity and pure battery range: Battery capacity directly affects pure battery range. In general, the larger the battery capacity, the longer the pure battery range. For daily commutes, longer electric-only ranges can reduce reliance on internal combustion engines, reducing fuel consumption and emissions.
- Extended range power generation system efficiency: The efficiency of the extended range power generation system determines the vehicle's endurance when the battery is low. The efficient extended range power generation system can charge the battery with less fuel consumption, extending the overall range.
- Power performance: The power output of the electric motor and internal combustion engine determines the acceleration performance and maximum speed of the vehicle. If you have higher requirements for driving experience, you can choose a more powerful model.
Intelligent management system: Modern range extender vehicles are usually equipped with intelligent energy management systems, which can automatically adjust the working state of the battery and internal combustion engine according to the actual road conditions to optimize energy consumption. Choose models with advanced intelligent management systems to further improve energy efficiency and driving experience.
3. Consider branding and after-sales service
When choosing an extended range vehicle, the brand's reputation and service network are also important considerations. Well-known brands usually have more mature technology and a more complete service system, which can provide better protection and support after the purchase of a car.
- Brand word of mouth: Study the user evaluation and market word of mouth of different brands to understand the quality and reliability of their products. Choosing a brand with good reputation can reduce the trouble in later use.
After-sales service: As an emerging technology product, after-sales service is particularly important for extended range vehicles. Choosing a brand with an extensive service network makes it easier and quicker to get support when repairs or maintenance are needed.
4. Comprehensive cost consideration
The purchase of extended range vehicles is not only a matter of the purchase cost, but also a comprehensive consideration of the cost of long-term use. Includes:
- Fuel and electricity costs: Range vehicles have lower operating costs in pure electric mode, but they still consume fuel when the internal combustion engine is operating. Based on your usage frequency and driving distance, calculate the long-term use of fuel and electricity costs, choose the most cost-effective model.
- Maintenance costs: Although the structure of the extended range vehicle is relatively simple, it still needs regular maintenance. Understand the maintenance cycles and costs of different models, and choose models with lower maintenance costs.
How to Maintain Extended-Range Vehicles
Checking the Battery Life
Inspecting your battery life is essential to ensure you get the most out of your ride-don't miss this crucial step! To check the battery life of your electric car, follow these steps:
Monitor usage
Keep an eye on how far you drive and how quickly the battery runs down. This will give you an idea of how much power it takes to run your car and if something unusual is happening.
Inspect cables
Make sure all the wiring connected to the battery is secure and in working order. Look for any corrosion or damage that could be causing a loss of power.
Check charging times
Try plugging in your electric car to see how long it takes to charge fully. If it's taking too long or not at all, there may be an issue with the battery or charger.By regularly monitoring usage, inspecting cables, and checking charging times, you can make sure that your electric car is running safely and efficiently!
Performing Regular Maintenance
Now that you know how to check your electric car's battery life, it's time to discuss performing regular maintenance.Scheduling appointments for preventative maintenance is key in keeping your electric car running at its best. This includes having the oil changed and all of the fluids checked regularly, as well as inspecting certain parts such as brakes or tires.
Our company
Shandong Firestone Auto Technology Co., Ltd. is a professional import and export trading company that specializes in providing high-quality automotive products and services to customers. Since its establishment, the company has accumulated 20 years of experience in the automotive industry, not only in deep market knowledge but also in building a wide resource network in the industry. We have established close cooperative relationships with original factories of various automotive brands, which not only ensure that we can provide customers with vehicles with price advantages but also guarantee stable supply of vehicles to meet customers' different needs.
As a professional auto trading company, we not only focus on the new car market, but also actively expand our used car business. We recognize that the used car market also has great potential and demand, so we invest heavily in market research and technical support to ensure that every used car undergoes rigorous quality inspection and preparation. By 2023, our total sales of new cars have exceeded 1,000 units, and our total sales of used cars have reached 1,500 units. These achievements could not have been possible without the hard work of our entire staff and the trust and support of our customers.
In order to better serve our customers, we constantly optimize our supply chain management and improve logistics efficiency to ensure timely delivery of vehicles. We use advanced information systems and logistics technologies to achieve full-process management from procurement, transportation to storage, greatly shortening the delivery cycle and improving customer satisfaction. At the same time, the company has set up a dedicated customer service department to provide one-stop services from car purchase consultation, vehicle inspection, maintenance and repair to after-sales service. Whether it's a new car or a used car, customers can enjoy professional and thoughtful services here, ensuring that every customer can have a high-quality and convenient car purchasing experience.




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