# EPower Engine Systems

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Hybrid train development company

**ePower Engine Systems, llc.** is a developer of [hybrid electric](/source/Hybrid_electric_truck) drive train technology for [Class 8 trucks](/source/Class_8_truck). It was issued US Patent 8,783,396 on July 22, 2014, encompassing their drive train technology.[1] ePower is in the final stages of its Research and Development of a [diesel electric](/source/Diesel_electric) kit for rebuilding older Class 8 trucks. The kit consists of a road-certified diesel engine, batteries, electric motor and an automatic transmission from major manufacturers.[2]

## Technique

ePower Engine Systems' technique is to have a diesel generator drive an electric motor and utilize an automatic transmission to drive the wheels of large Class 8 trucks (called semi trucks in the USA). Batteries are used to store additional power needed to climb grades and recharged either by the genset or regenerative braking.[1] The diesel engine being used is about 1/2 the size of a normal engine found in one of these trucks. Therefore, the diesel consumption is about thirty to forty percent less than a normal truck.[3][4][5] The company is currently experimenting with an [Eaton](/source/Eaton_Corporation) 10-speed transmission and [Super capacitors](/source/Supercapacitor). The [Cummins](/source/Cummins) diesel engine, [Marathon](http://www.marathonelectric.com/generators/index.jsp) generator and [Marathon](http://www.marathonelectric.com/motors/index.jsp) electric motor remain as in prior versions of the kit.

## References

1. ^ [***a***](#cite_ref-Patent_1-0) [***b***](#cite_ref-Patent_1-1) *[\[1\]](http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO2&Sect2=HITOFF&p=1&u=%2Fnetahtml%2FPTO%2Fsearch-bool.html&r=1&f=G&l=50&co1=AND&d=PTXT&s1=epower&OS=epower&RS=epower) US Patent 8,783,396*

1. **[^](#cite_ref-Technology_2-0)** "[http://www.epowerengines.com/technology.html](http://www.epowerengines.com/technology.html) [Archived](https://web.archive.org/web/20150221202935/http://www.epowerengines.com/technology.html) 2015-02-21 at the [Wayback Machine](/source/Wayback_Machine)"

1. **[^](#cite_ref-Performance_3-0)** "[http://nebula.wsimg.com/9a30b82ef429afaee7fb299df5e2bf7e?AccessKeyId=730A7BBD752D90E9E14F&disposition=0&alloworigin=1](http://nebula.wsimg.com/9a30b82ef429afaee7fb299df5e2bf7e?AccessKeyId=730A7BBD752D90E9E14F&disposition=0&alloworigin=1)"

1. **[^](#cite_ref-Performance2_4-0)** "[http://www.popularmechanics.com/cars/trucks/g116/10-things-you-didnt-know-about-semi-trucks/?slide=5](http://www.popularmechanics.com/cars/trucks/g116/10-things-you-didnt-know-about-semi-trucks/?slide=5)"

1. **[^](#cite_ref-5)** ["2013 Vehicle Technologies Market Report"](http://cta.ornl.gov/vtmarketreport/index.shtml). *ornl.gov*.

## External links

- [Official website](http://www.epowerengines.com)

- ["Alternative Energy Stocks"](https://web.archive.org/web/20150906011238/http://www.altenergystocks.com/archives/2012/12/epowers_series_hybrid_electric_drive_unmatched_fuel_economy_for_heavy_trucks.html). Archived from [the original](http://www.altenergystocks.com/archives/2012/12/epowers_series_hybrid_electric_drive_unmatched_fuel_economy_for_heavy_trucks.html) on 2015-09-06. Retrieved 2015-03-26.

- [Bloomberg Businessweek Company Overview for ePower Engine Systems LLC](http://investing.businessweek.com/research/stocks/private/snapshot.asp?privcapId=245812875)

- ["Startup ePower Engine Systems, Inc"](https://gust.com/companies/epower_engine_systems).[*[permanent dead link](https://en.wikipedia.org/wiki/Wikipedia:Link_rot)*]

- Rich Piellesch, Fleets and Fuel, "[Ten More Axion PbC Packs for ePower](http://www.fleetsandfuels.com/electric-drive/2013/07/ten-more-axion-pbcs-for-epower/)", July 15, 2013

- World Industrial Reporter, "[Class 8 Heavy Trucks to be Powered by Locomotive Technology](http://www.worldindustrialreporter.com/class-8-heavy-trucks-to-be-powered-by-locomotive-technology/)", October 1, 2013

- TheTrucker.com, [ePower Engine Systems to debut hybrid drive train technology](http://www.thetrucker.com/News/Stories/2011/3/28/ePowerEngineSystemstodebuthybriddrivetraintechnology.aspx) [Archived](https://web.archive.org/web/20111213120544/http://www.thetrucker.com/News/Stories/2011/3/28/ePowerEngineSystemstodebuthybriddrivetraintechnology.aspx) 2011-12-13 at the [Wayback Machine](/source/Wayback_Machine)", 3/28/2011

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Adapted from the Wikipedia article [EPower Engine Systems](https://en.wikipedia.org/wiki/EPower_Engine_Systems) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/EPower_Engine_Systems?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.