Beatrice Lang
Plug-in electric vehicles (PEVs) are a subcategory of electric vehicles (EVs) that can utilise an external power source to store electrical energy in rechargeable battery packs, which power an electric motor. PEVs include battery electric vehicles (BEVs) and plug-in hybrid electric vehicles (PHEVs). BEVs, also known as EVs, are fully electric vehicles with rechargeable batteries and no gasoline engine, while PHEVs are powered by both an engine and an electric motor. BEVs are zero-emissions vehicles, offering improved air quality, reduced greenhouse gas emissions, noise reduction, and national security benefits.
PEVs and BEVs Electric Vehicles:
| Characteristics | Values |
|---|---|
| Full Form | PEV: Plug-in Electric Vehicle; BEV: Battery Electric Vehicle |
| Type of Vehicle | PEV: Plug-in hybrid electric vehicle; BEV: Fully electric vehicle |
| Power Source | PEV: External power source; BEV: Electric battery |
| Gas Engine Parts | PEV: Yes; BEV: No |
| Charging | PEV: Charged via an external power source; BEV: Charged via an external outlet |
| Emission | PEV: Reduced greenhouse gas emissions; BEV: Zero emissions |
| Battery Capacity | PEV: Up to 15 kWh; BEV: 40 kWh to 200 kWh |
| Charging Time | PEV: A few hours; BEV: More than a day with a standard outlet |
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What You'll Learn
PEVs improve air quality and reduce greenhouse gas emissions
Plug-in electric vehicles (PEVs) are a subcategory of electric vehicles (EVs) that includes battery electric vehicles (BEVs) and plug-in hybrid vehicles (PHEVs). PHEVs, or hybrid electric vehicles, have both an engine and an electric motor, while BEVs are fully electric vehicles with rechargeable batteries and no gasoline engine.
Secondly, PEVs can help reduce greenhouse gas emissions by utilizing electricity instead of petroleum. The Environmental Assessment of a Full Electric Transportation Portfolio by the Electric Power Research Institute (EPRI) and the NRDC confirms that using electricity instead of petroleum can significantly reduce emissions of greenhouse gases and other air pollutants. The study projects that by 2050, the electricity sector could reduce annual greenhouse gas emissions by 1030 million metric tons relative to 2015 levels in the Base GHG scenario, and by 1700 million metric tons in the Lower GHG scenario, which represents a 45% and 77% reduction, respectively.
Additionally, PEVs can improve air quality and reduce emissions by selling electricity stored in their batteries back to the power grid. This is known as a vehicle-to-grid (V2G) system, which takes advantage of the fact that most vehicles are parked 95% of the time. During idle times, the electricity stored in PEV batteries can be transferred back to the power grid, helping utilities manage their demand peaks more efficiently. This also has economic benefits, as the transfer of electricity back to the grid has an estimated value of up to $4,000 per year per car in the United States.
Furthermore, PEVs can help reduce emissions through the use of efficient electric motors and by plugging into a grid that utilizes more renewable energy sources. According to an analysis by the Union of Concerned Scientists, the average PEV produces greenhouse gas emissions equivalent to a gasoline-powered car that gets more than 70 miles per gallon. This is significantly higher than the average new car in the United States, which achieves 25.3 miles per gallon.
Overall, PEVs offer a range of benefits that contribute to improved air quality and reduced greenhouse gas emissions, making them an important part of the transition towards a clean energy future and helping to address global environmental degradation.
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BEVs are powered exclusively by electricity
Plug-in electric vehicles (PEVs) are a subcategory of electric vehicles (EVs) that include battery electric vehicles (BEVs) and plug-in hybrid electric vehicles (PHEVs). BEVs, also known as pure electric vehicles, only-electric vehicles, fully electric vehicles, or all-electric vehicles, are powered exclusively by electricity. They use electrical energy from an on-board battery pack to power one or more electric traction motors, on which the vehicle solely relies for propulsion. BEVs have no fuel tanks and are recharged by plugging into a charging station, the electrical grid, or by getting a new battery at a battery swap station.
BEVs are zero-emission vehicles, meaning they produce no harmful tailpipe emissions or air pollution hazards caused by traditional gasoline-powered vehicles. They are locally 100% emission-free, offering improved air quality and reduced greenhouse gas emissions. BEVs also contribute to noise reduction and provide national security benefits. In addition, BEVs are more efficient than internal combustion vehicles, travelling roughly three times further per MJ of stored energy.
BEVs come in various forms, including cars, buses, trucks, motorcycles, scooters, bicycles, skateboards, railcars, boats, and personal watercraft. In common usage, the term BEV usually refers specifically to passenger cars. Examples of BEV cars include the Nissan Leaf, Audi e-tron, and Tesla Model Y.
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PHEVs are plug-in hybrid electric vehicles
Plug-in hybrid electric vehicles (PHEVs) are a type of electric vehicle (EV) that combines a traditional combustion engine with an electric motor. PHEVs offer the best of both worlds, allowing you to switch between petrol and electric power. This makes them a more flexible option than battery electric vehicles (BEVs), which run purely on electricity.
PHEVs have larger batteries than conventional hybrids, and can be plugged into the grid to recharge. This gives them a longer electric-only range, typically between 10 and 40 miles, or up to 20 to 30 miles depending on the model. This means that, unlike conventional hybrids, PHEVs can operate for longer without needing to switch on their combustion engine.
The ability to run on electric power alone means that PHEVs are more environmentally friendly than traditional combustion engine vehicles. They produce zero tailpipe emissions when running on electric power, helping to improve air quality and reduce greenhouse gas emissions. This makes them particularly beneficial in urban areas, where air pollution is often a major concern.
PHEVs also offer practical advantages for drivers. For example, they can be recharged at home or at public charging stations, and their larger batteries mean they can typically be charged in a couple of hours using a standard Mode 2 charging cord. This is much faster than BEVs, which often require specialised wall-mounted chargers and can take over a day to fully charge.
PHEVs are a good option for drivers who want to reduce their carbon footprint but are not yet ready to commit to a fully electric vehicle. They provide a more environmentally friendly alternative to traditional combustion engine vehicles, without the range anxiety associated with BEVs.
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HEVs are hybrid electric vehicles
Plug-in electric vehicles (PEVs) are a subcategory of electric vehicles (EVs) that includes battery electric vehicles (BEVs) and plug-in hybrid electric vehicles (PHEVs). BEVs are fully electric vehicles with rechargeable batteries and no gasoline engine. They are zero-emissions vehicles as they do not generate any harmful tailpipe emissions or air pollution hazards caused by traditional gasoline-powered vehicles. PHEVs, on the other hand, have both an engine and an electric motor to drive the car. They can recharge their batteries through regenerative braking and by plugging into the grid.
Now, hybrid electric vehicles (HEVs) are a type of hybrid vehicle that combines a conventional internal combustion engine (ICE) with one or more electric engines into a combined propulsion system. HEVs cannot be recharged from an off-vehicle electric energy source and therefore do not belong to the category of PEVs. However, they have batteries that are continually recharged with power from the internal combustion engine and regenerative braking.
HEVs can be either mild or full hybrids. Mild hybrids, also called micro-hybrids, use a battery and electric motor to help power the vehicle and can allow the engine to shut off when the vehicle stops, further improving fuel economy. Full hybrids have larger batteries and more powerful electric motors, which can power the vehicle for short distances and at low speeds. These vehicles cost more than mild hybrids but provide better fuel economy benefits.
The most common form of HEV is hybrid electric passenger cars, but hybrid electric trucks (pickups, tow trucks, and tractors), buses, motorboats, and aircraft also exist. HEVs use energy recovery technologies such as motor-generator and regenerative braking to recycle the vehicle's kinetic energy into electric energy via an alternator, which is stored in a battery. The presence of the electric powertrain, which has inherently better energy conversion efficiency, is intended to achieve either better fuel economy or better acceleration performance than a conventional vehicle.
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BEVs include cars, buses, trucks, motorcycles, and more
Battery Electric Vehicles (BEVs) are fully electric vehicles with rechargeable batteries and no gasoline engine. They are also commonly referred to as EVs. BEVs are zero-emissions vehicles, meaning they do not generate any harmful tailpipe emissions or air pollution hazards caused by traditional gasoline-powered vehicles.
BEVs are powered by an electric motor that uses electrical energy from an on-board battery pack. They do not have fuel tanks and replenish their energy by plugging into a charging station, an electrical grid, or by getting a new battery at a battery swap station.
BEVs include, but are not limited to, automobiles, cars, buses, trucks, motorcycles, and more. As of March 2023, there were 40 BEV models available in the US. Globally, cumulative sales of highway-capable light-duty pure electric car vehicles passed 1 million units in September 2016. As of September 2024, the Tesla Model Y is the world's top-selling all-electric car in history, with an estimated 3.4 million sales.
Other types of BEVs include light trucks, neighbourhood electric vehicles, electric bicycles, scooters, skateboards, railcars, boats, and personal watercraft.
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Frequently asked questions
A PEV, or Plug-in Electric Vehicle, is any road vehicle that can use an external source of electricity, such as a wall socket, to store electrical energy in rechargeable battery packs and power an electric motor. PEVs include BEVs and PHEVs.
BEV stands for Battery Electric Vehicle. These are fully electric vehicles with rechargeable batteries and no gasoline engine. All energy to run the vehicle comes from the battery pack, which is recharged from the grid. BEVs are zero-emissions vehicles as they do not produce harmful tailpipe emissions. Examples of BEVs include the Nissan Leaf, Tesla Model Y, and Kia Niro EV.
A PEV is a category of electric vehicles that includes BEVs and PHEVs (Plug-in Hybrid Electric Vehicles). BEVs, specifically, are a type of PEV that runs solely on electricity from rechargeable batteries and does not have a gasoline engine.
PEVs offer several advantages, including improved air quality, reduced greenhouse gas emissions, noise reduction, and national security benefits. They help reduce an individual's carbon footprint and save on fuel costs. PEVs can also sell electricity stored in their batteries back to the power grid, improving the efficiency of utilities.
