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• 146.

  Do EV have hydraulic brakes?

  Most electric vehicles (EVs) today use regenerative braking systems, which capture kinetic energy during braking and convert it into electricity to charge the vehicle's battery. While electric vehicles typically still use hydraulic systems as their primary braking mechanism, regenerative braking reduces reliance on traditional hydraulic braking systems.
  
  Hydraulic brakes are used in conjunction with a regenerative braking system to provide the necessary stopping power when regenerative braking alone is insufficient. These systems are responsible for ensuring that the vehicle can come to a complete stop when required, especially in emergency situations or when regenerative braking capabilities are limited, such as at high speeds or when coming to a sudden stop.
  
• 147.

  Why don’t electric cars have solar panels?

  Electric vehicles typically do not use solar panels as their primary power source for the following reasons:

  ① Limited surface area: The available surface area of standard passenger cars is relatively small, which limits the number of solar panels that can be installed. While it is possible to install solar panels on cars, the energy generated from the limited surface area is often insufficient to significantly extend the vehicle's driving range.

  ② Energy production: Solar panels on car roofs or other surfaces are not very efficient at generating electricity, especially compared to fixed solar panels installed on rooftops or solar farms. Solar panels on a car can generate a miniscule amount of electricity, usually just enough to power auxiliary systems such as air conditioning, ventilation or small accessories. This is not enough to power the main propulsion system.

  ③ Weight and cost: Solar panels will increase the weight of the vehicle, thereby reducing its overall efficiency and driving range. Additionally, the cost of high-quality, efficient solar panels and related technologies can outweigh the benefits of the energy they produce.

  ④ Practicality: When the vehicle is parked in a garage, under a carport, or in a parking lot with limited sunlight, the solar panels on the car are usually not exposed to direct sunlight. This may limit the practicality of relying on solar panels to meet the majority of a vehicle's electrical needs.

  ⑤ Regenerative braking: Electric vehicles have adopted regenerative braking systems, which capture kinetic energy during deceleration and braking and convert it into electrical energy. This feature helps charge the battery and improves energy efficiency, making the solar panels on the car less important for energy recovery.

• 148.

  Do EVs have friction brakes?

  Yes, electric cars have friction brakes, just like traditional combustion engine vehicles. There are several reasons why electric vehicles still use friction brakes:
  
  ① Safety: Friction brakes are the main safety feature of the vehicle. They provide reliable and consistent stopping power, especially in emergency braking situations. While electric cars use regenerative braking to capture energy during deceleration, friction brakes are critical to bringing the vehicle to a complete stop quickly.
  ② Low-speed braking: Regenerative braking uses the electric motor to generate electricity during deceleration, which is more effective at slower speeds. Friction brakes are used at higher speeds when regenerative braking alone cannot provide sufficient deceleration.
  ③ Emergency braking: In the event of an emergency stop or the need for rapid deceleration, the friction brake engages to provide maximum braking force. In these situations, regenerative braking may not be enough to stop the vehicle quickly.
  ④ Parking brake: Friction brakes are also used as parking brakes (commonly known as handbrakes) to prevent the vehicle from moving when parked.
  
• 149.

  Are EV cars front or rear wheel drive?

  Electric vehicles can have different drivetrain configurations, including front-wheel drive (FWD), rear-wheel drive (RWD), and all-wheel drive (AWD). Here's a breakdown of each type:

  ① Front-wheel drive (FWD) electric vehicles: In front-wheel drive electric vehicles, the electric motor is usually located at the front of the vehicle, near the front axle. This configuration is common in many compact and mid-sized electric vehicles, often chosen for its efficiency, simplicity and cost-effectiveness. Front-wheel drive electric cars tend to have heavier front weight distribution.

  ② Rear-wheel drive (RWD) electric vehicles: In rear-wheel drive electric vehicles, the electric motor is usually located at the rear of the vehicle, near the rear axle. Rear-wheel drive electric vehicles are known for offering a sportier driving experience and can offer better-handling characteristics, especially in high-performance or luxury electric vehicles.

  ③ All-wheel drive (AWD) electric vehicles: The motors of all-wheel drive electric vehicles provide power to the front and rear wheels. All-wheel drive electric vehicles provide better traction and stability in a variety of road conditions, making them suitable for challenging terrain or high-performance applications. Some all-wheel drive electric cars have one motor powering both axles, while others have dual motors, one for each axle, often called dual-motor all-wheel drive.

• 150.

  Do electric cars have abs?

  Yes, electric vehicles are typically equipped with anti-lock braking systems (ABS), just like traditional internal combustion engine (ICE) vehicles. ABS is a safety feature that helps prevent the wheels from locking during emergency braking, allowing the driver to maintain steering control and avoid skidding.