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What Increases the Range of an Electric Vehicle: Our Complete Guide

Electric vehicles have reshaped the automobile industry, providing a greener alternative to traditional fuel-powered cars. A crucial aspect of EVs is their range, which indicates the distance they can cover on a single battery charge. However, the actual range can be influenced by various factors. This article delves into what EV range is and explores the multifaceted elements that impact

What is EV Range and What do I need to know?

The range of an electric vehicle (EV) is the distance it can travel on a full battery charge. This measure is crucial because recharging an EV isn't as swift as refueling a gasoline vehicle.

Advertised vs. Real-world Range: Although automakers provide range estimates, these figures often represent ideal scenarios. Many real-world factors can alter the actual distance an EV covers on a single charge, sometimes making it lower than the estimate.

Factors Influencing EV Range:

  1. Route Planning: The type of road you choose affects your EV's mileage. Climbing uphill demands more battery power compared to cruising on flat surfaces. For better battery mileage, it's recommended to map out your journey beforehand, and with tools like the eco-routing feature on Google Maps, you can pinpoint the most energy-efficient path.
  2. Weather: External temperatures can have a drastic impact on EV range. Electric vehicles might lose up to 25% of their advertised range in extreme temperatures. Unlike gasoline vehicles, which can use engine heat to warm interiors, EVs use battery power for climate controls, which can strain the battery.
  3. Driving Style: How one drives an EV is paramount. Quick accelerations might reduce the EV's range significantly. Hence, a smoother driving style is recommended for achieving the best range.
A close-up of batteries of different colors, likely representing different brands or types.

Technological Factors Influencing Range

1. Battery Technology

Size Matters: The total energy storage capacity of a battery, measured in kilowatt-hours (kWh), is directly proportional to the range. Simply put, a larger battery will generally provide a longer range. For instance, a 40 kWh battery might offer around 240 kilometers of range, whereas a 100 kWh battery might provide upwards of 480 kilometers.

Energy Density: The energy density of a battery refers to the amount of energy it can store relative to its size. Batteries with higher energy densities can store more energy without increasing the physical size of the battery, thus offering a longer range.

Cathode Materials: The materials used in the cathode can influence energy density. For instance, lithium iron phosphate (LiFePO₄) batteries tend to have a lower energy density than nickel-manganese-cobalt (NMC) batteries.

Thermal Management: Batteries generate heat. A good thermal management system keeps the battery at an optimum temperature, ensuring it delivers consistent performance and doesn’t degrade prematurely.

Degradation: Over time and with repeated charging cycles, all batteries degrade. As a battery degrades, its capacity to hold charge diminishes, leading to a reduced range.

State of Health (SoH): Represents the current battery capacity relative to its original. For example, after several years, a battery might be at 85% SoH, meaning it can only charge up to 85% of its original capacity.

2. The Tire Check

While it may seem trivial, ensuring your tires are inflated to the recommended pressure can significantly influence your EV's efficiency. Here's how:

  • Rolling Resistance and Range: Tires directly affect an EV's range due to rolling resistance. Under-inflated tires create higher resistance, forcing the battery to expend more energy. In fact, between 4-11% of energy consumption can be attributed to tire rolling resistance. On the flip side, tires designed specifically for EVs, such as low rolling resistance tires, are engineered to enhance range. However, it's worth noting that while these specialty tires boost efficiency, they might slightly compromise on handling and ride quality.
  • The Importance of Correct Inflation: Just as in gasoline cars, an EV's range can be positively or negatively impacted by tire pressure. Under-inflated tires not only increase energy use but also lead to premature tread wear. Regularly using a tire gauge to ensure your tires are inflated according to your EV manufacturer's specifications can not only prolong the life of your tires but also optimize your EV's mileage.
A shelf displaying multiple car tires with various specifications and ratings.

3. Regenerative Braking

Regenerative braking in electric vehicles captures energy usually lost when slowing down. Instead of just using regular brakes, the car's motor acts like a generator, turning some of that moving energy back into battery power. This method can save up to 70% of the energy that would have been wasted.

Benefits include:

  • Increased EV Range: The reclaimed energy augments the vehicle's battery charge, thus extending the possible driving range.
  • Enhanced Brake Lifespan: Since the system reduces the reliance on conventional braking, wear and tear on brake components diminish, leading to longer intervals between brake pad replacements and potential cost savings.
  • One-Pedal Driving: Some EVs provide variable regenerative braking intensities, with the most potent settings enabling driving predominantly with just the accelerator pedal, as lifting off it can decelerate the car substantially.

Additionally, to optimize EV battery lifespan, an "80/20" charging principle is recommended. This involves maintaining the battery's state of charge between 20% and 80%. Though this might not always provide the maximum possible range, it helps in preserving battery health over extended periods. However, it's essential to refer to specific vehicle manuals as some manufacturers, like Tesla, might have varying recommendations.


Understanding the range of an electric vehicle is imperative for potential and current EV owners. From the technical aspects of battery technology to practical factors like driving habits and tire maintenance, numerous elements come into play. By being informed and making mindful choices, EV users can optimize the range and efficiency of their vehicles, ensuring a smoother, longer-lasting drive and overall better performance.


What does "real-world range" mean for an electric vehicle?

"Real-world range" refers to the actual distance an EV can travel on a single charge, taking into account various real-life factors like driving style, route, and weather. It may differ from the manufacturer's advertised range, which often represents ideal conditions.

How does tire inflation impact an EV's efficiency?

Properly inflated tires reduce rolling resistance, which means the battery uses less energy. Under-inflated tires can decrease range by increasing energy consumption and causing early tread wear. Thus, maintaining recommended tire pressure optimizes EV mileage and extends tire life.

How does regenerative braking benefit an electric vehicle?

Regenerative braking captures energy typically lost during deceleration, converting it back into battery power. This can increase the EV's range, extend brake component lifespan, and in some cases, allow for "one-pedal driving," where deceleration occurs by merely lifting off the accelerator.

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