--- description: What is a Hybrid Electric Vehicle: It combines the power of a ICE with an electric motor based on driving conditions, speed, and load. title: What is Hybrid Electric Vehicle? - Energy Theory image: https://energytheory.com/wp-content/uploads/2023/04/JAN23-What-is-Hybrid-Electric-Vehicle.jpg --- [ Close Menu ](#) * [About](https://energytheory.com/about-us/) * [EV](https://energytheory.com/category/electric-vehicles/) * [FAQs](https://energytheory.com/category/faqs/) * [Glossary](https://energytheory.com/category/glossary/) * [Green](https://energytheory.com/category/green/) * [Renewable](https://energytheory.com/category/renewable/) * [Sustainable](https://energytheory.com/category/sustainable/) * [Energy Economy](https://energytheory.com/category/energy-economy/) * [Energy Services](https://energytheory.com/category/energy-services/) * [Solar](https://energytheory.com/category/solar/) * [Sustainable](https://energytheory.com/category/sustainable/) * [News](https://energytheory.com/category/latest-news/) * [Language](#) [ ![Energy Theory](https://energytheory.com/wp-content/uploads/2022/11/2e3rtgthghnm.png) ](https://energytheory.com/ "Energy Theory") ![en](https://cdn.gtranslate.net/flags/svg/en.svg)English [![es](https://cdn.gtranslate.net/flags/svg/es.svg) Spanish](#) [![fr](https://cdn.gtranslate.net/flags/svg/fr.svg) French](#) [![en](https://cdn.gtranslate.net/flags/svg/en.svg) English](#) [![it](https://cdn.gtranslate.net/flags/svg/it.svg) Italian](#) [![zh-CN](https://cdn.gtranslate.net/flags/svg/zh-CN.svg) Chinese (Simplified)](#) [![nl](https://cdn.gtranslate.net/flags/svg/nl.svg) Dutch](#) [![fi](https://cdn.gtranslate.net/flags/svg/fi.svg) Finnish](#) [![de](https://cdn.gtranslate.net/flags/svg/de.svg) German](#) [![hi](https://cdn.gtranslate.net/flags/svg/hi.svg) Hindi](#) [![ja](https://cdn.gtranslate.net/flags/svg/ja.svg) Japanese](#) [![pl](https://cdn.gtranslate.net/flags/svg/pl.svg) Polish](#) [![pt](https://cdn.gtranslate.net/flags/svg/pt.svg) Portuguese](#) [![ru](https://cdn.gtranslate.net/flags/svg/ru.svg) Russian](#) [ ![Energy Theory](https://energytheory.com/wp-content/uploads/2022/11/2e3rtgthghnm.png) ](https://energytheory.com/ "Energy Theory") ![en](https://cdn.gtranslate.net/flags/svg/en.svg)English [![es](https://cdn.gtranslate.net/flags/svg/es.svg) Spanish](#) [![fr](https://cdn.gtranslate.net/flags/svg/fr.svg) French](#) [![en](https://cdn.gtranslate.net/flags/svg/en.svg) English](#) [![it](https://cdn.gtranslate.net/flags/svg/it.svg) Italian](#) [![zh-CN](https://cdn.gtranslate.net/flags/svg/zh-CN.svg) Chinese (Simplified)](#) [![nl](https://cdn.gtranslate.net/flags/svg/nl.svg) Dutch](#) [![fi](https://cdn.gtranslate.net/flags/svg/fi.svg) Finnish](#) [![de](https://cdn.gtranslate.net/flags/svg/de.svg) German](#) [![hi](https://cdn.gtranslate.net/flags/svg/hi.svg) Hindi](#) [![ja](https://cdn.gtranslate.net/flags/svg/ja.svg) Japanese](#) [![pl](https://cdn.gtranslate.net/flags/svg/pl.svg) Polish](#) [![pt](https://cdn.gtranslate.net/flags/svg/pt.svg) Portuguese](#) [![ru](https://cdn.gtranslate.net/flags/svg/ru.svg) Russian](#) [Glossary](https://energytheory.com/category/glossary/) # What is Hybrid Electric Vehicle? By [Elliot Clark](https://energytheory.com/author/elliot%5Fclark/)November 17, 20232 Mins Read ![JAN23 What is Hybrid Electric Vehicle](https://energytheory.com/wp-content/uploads/2023/04/JAN23-What-is-Hybrid-Electric-Vehicle-1024x683.jpg "What is Hybrid Electric Vehicle?") A hybrid electric vehicle (HEV) is a type of vehicle that **combines the power of an internal combustion engine (ICE) with an electric motor** to propel the vehicle forward. HEVs use a combination of traditional fossil fuels and electric power to improve fuel efficiency and reduce emissions, making them more environmentally friendly. The electric motor is powered by a battery pack that is charged through regenerative braking or by the ICE when it generates excess power. The battery pack provides extra power to assist the ICE during acceleration, resulting in reduced fuel consumption and emissions. ### **What Makes Hybrid Electric Vehicles Unique?** HEVs **utilize sophisticated systems of** **sensors, controls, and software** to optimize the interaction between the ICE and electric motor, effectively managing power distribution based on factors such as driving conditions, speed, and load. This allows HEVs to achieve better fuel economy compared to conventional ICE vehicles, as the [electric motor](https://www.makeuseof.com/how-to-build-electric-motor/) can assist or even replace the ICE during low-speed or stop-and-go driving, making them efficient and eco-friendly. HEVs come in **various configurations**, including parallel hybrid, series hybrid, and plug-in hybrid. In a parallel hybrid configuration, both the ICE and electric motor can independently or jointly power the vehicle. For the series hybrid configuration, the ICE acts as a generator to charge the battery, which powers the electric motor that propels the vehicle. In a plug-in hybrid configuration, the battery can be charged by plugging the vehicle into an external power source, allowing for longer all-electric driving ranges and increased sustainability. Hybrid electric vehicles (HEVs) have gained popularity due to **their potential to reduce greenhouse gas emissions and dependence on fossil fuels**, as well as their improvement. Hybrid electric vehicles (HEVs) are widely used in various sectors, including personal and public transportation, fleet operations, emergency response, off-road and utility vehicles, government and municipal use, as well as marine and aviation applications. HEVs offer numerous advantages, such as improved [fuel](https://energytheory.com/all-about-fuel-cell-advantages/) efficiency, reduced emissions, and enhanced energy sustainability. HEVs are increasingly popular for so many good reasons. They play a pivotal role in reducing pollution, and by providing an alternative to conventional fuel-run vehicles and promoting overall sustainability in diverse sectors, making them an environmentally friendly transportation solution. **Recommended:** [Can E-Bike Fat Tires be Offset by a Fat Battery?](https://energytheory.com/can-e-bike-fat-tires-be-offset-by-a-fat-battery/) Share. [ Facebook ](https://www.facebook.com/sharer.php?u=https%3A%2F%2Fenergytheory.com%2Fwhat-is-hybrid-electric-vehicle%2F "Share on Facebook") [ Twitter ](https://twitter.com/intent/tweet?url=https%3A%2F%2Fenergytheory.com%2Fwhat-is-hybrid-electric-vehicle%2F&text=What%20is%20Hybrid%20Electric%20Vehicle%3F "Share on X (Twitter)") [ Pinterest ](https://pinterest.com/pin/create/button/?url=https%3A%2F%2Fenergytheory.com%2Fwhat-is-hybrid-electric-vehicle%2F&media=https%3A%2F%2Fenergytheory.com%2Fwp-content%2Fuploads%2F2023%2F04%2FJAN23-What-is-Hybrid-Electric-Vehicle.jpg&description=What%20is%20Hybrid%20Electric%20Vehicle%3F "Share on Pinterest") [ LinkedIn ](https://www.linkedin.com/shareArticle?mini=true&url=https%3A%2F%2Fenergytheory.com%2Fwhat-is-hybrid-electric-vehicle%2F "Share on LinkedIn") [ Tumblr ](https://www.tumblr.com/share/link?url=https%3A%2F%2Fenergytheory.com%2Fwhat-is-hybrid-electric-vehicle%2F&name=What%20is%20Hybrid%20Electric%20Vehicle%3F "Share on Tumblr") [ Telegram ](https://t.me/share/url?url=https%3A%2F%2Fenergytheory.com%2Fwhat-is-hybrid-electric-vehicle%2F&title=What%20is%20Hybrid%20Electric%20Vehicle%3F "Share on Telegram") [ Email ](mailto:?subject=What%20is%20Hybrid%20Electric%20Vehicle%3F&body=https%3A%2F%2Fenergytheory.com%2Fwhat-is-hybrid-electric-vehicle%2F "Share via Email") ![mm](https://energytheory.com/wp-content/uploads/2023/04/Elliot1-150x150.jpg) [Elliot Clark](https://energytheory.com/author/elliot%5Fclark/) Elliot is a passionate environmentalist and blogger who has dedicated his life to spreading awareness about conservation, green energy, and renewable energy. With a background in environmental science, he has a deep understanding of the issues facing our planet and is committed to educating others on how they can make a difference. #### Related Posts [![Post-consumer recycled (PCR) content](https://energytheory.com/wp-content/uploads/2024/04/Post-consumer-recycled-PCR-content.png "What is Post-Consumer Recycled (PCR) Content?")](https://energytheory.com/what-is-post-consumer-recycled-pcr-content/ "What is Post-Consumer Recycled (PCR) Content?") #### [What is Post-Consumer Recycled (PCR) Content?](https://energytheory.com/what-is-post-consumer-recycled-pcr-content/) April 9, 2024 [![Heating Seasonal Performance Factor (HSPF)](https://energytheory.com/wp-content/uploads/2024/02/Heating-Seasonal-Performance-Factor-HSPF.jpg "What is Heating Seasonal Performance Factor (HSPF)?")](https://energytheory.com/what-is-heating-seasonal-performance-factor-hspf/ "What is Heating Seasonal Performance Factor (HSPF)?") #### [What is Heating Seasonal Performance Factor (HSPF)?](https://energytheory.com/what-is-heating-seasonal-performance-factor-hspf/) February 3, 2024 [![What is Annual Fuel Utilization Efficiency (AFUE)](https://energytheory.com/wp-content/uploads/2024/02/What-is-Annual-Fuel-Utilization-Efficiency-AFUE.jpg "What is Annual Fuel Utilization Efficiency (AFUE)?")](https://energytheory.com/what-is-annual-fuel-utilization-efficiency-afue/ "What is Annual Fuel Utilization Efficiency (AFUE)?") #### [What is Annual Fuel Utilization Efficiency (AFUE)?](https://energytheory.com/what-is-annual-fuel-utilization-efficiency-afue/) February 2, 2024 [Add A Comment ](#) Leave A Reply [Cancel Reply](https://energytheory.com/what-is-hybrid-electric-vehicle/#respond) Save my name, email, and website in this browser for the next time I comment. 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