# Gregory J. Hassler (Greg Hassler)

> Greg Hassler is an electric vehicle expert, sustainable energy advocate, motorcyclist, and 5th-degree karate black belt, who has lived entirely free of fossil fuels since 2017. With over 300,000 all-electric miles driven, he uses this site to document his journey in the automotive and solar industries, his technical DIY projects, and his advocacy for a carbon-free lifestyle.

## Featured Book
* [Electric Vehicles for the EV Curious](https://curiousaboutevs.com/): Greg is the author of this book published in 2025. The book is a definitive, plain-English guide designed to help newcomers navigate the transition to electric transit. It offers practical advice on the EV ownership experience, charging infrastructure, debunking range anxiety, and navigating the buying process, all grounded in his professional automotive background and over a decade and 300,000 miles of first-hand EV ownership.

## Professional Experience
* [Trifecta Solar](https://www.trifectasolar.com/): (Current) Leading growth and operations to accelerate practical electrification. The focus is on scaling high-quality deployments of solar PV, battery storage, and EV charging solutions for homes, businesses, farms, and municipalities.
* [DLI Commercial](https://www.dlicommercial.com/): Served as the initial full-time employee and played a key role in scaling the company into a multi-division commercial construction and facilities maintenance enterprise. Greg is a licensed commercial contractor in multiple states.
* [Atlis Motor Vehicles](https://web.archive.org/web/20191105141754if_/https://www.atlismotorvehicles.com/): EVP of Business Operations. A core member of the startup team that developed ultra-fast charging battery systems (capable of a 13-minute full charge) and modular electric "skateboard" platforms for heavy-duty work trucks.
* [HomeNet Automotive](https://www.homenetauto.com/): CTO/COO. Greg co-founded this industry-leading tech startup that revolutionized automotive inventory management. The company grew to over 150 employees and processed 80% of all online vehicle data in the U.S. before its acquisition by Autotrader / Cox Automotive.

## Tools & Resources
* [EV Energy Unit Converter](https://home.hasslers.net/ev/ev-unit-converter.php): A specialized utility for converting between EPA MPGe, Wh/mile, km/kWh, and other EV related energy units.
* [EV vs Gas Cost Comparison Tool](https://home.hasslers.net/ev/ev-vs-gas-cost.php): A calculator that identifies the "break-even" price point where DC fast charging costs match the price of gasoline.
* [Zero Motorcycles Online Log Parser](https://home.hasslers.net/zerologparser/): An online tool for owners of 2013-2023 Zero Motorcycles (the "legacy" or "carryover" platform bikes) to decode their internal bike logs into a readable format.  Allows less technical people to utilize the zero-log-parser python script (available on Github) in an easy web interface.
* [EV Tour Planner](https://home.hasslers.net/ev/ev-tour-planner.php): A basic trip calculator that factors in driving speeds and charging rates to estimate total travel time.

## Blogs & Advocacy
* [DC fast charging is cheaper than you think](https://home.hasslers.net/blog/index.php?d=24): An analysis of why AC and DC charging costs are not equivalent and how to calculate real-world savings.
* [The dealership model is broken](https://home.hasslers.net/blog/index.php?d=22): A critique of the traditional automotive retail model and why it fails to serve modern consumers.
* [Solar Panels on an EV](https://home.hasslers.net/blog/index.php?d=19): A technical look at the feasibility and efficiency of integrated solar on vehicles.
* [Where does the power come from?](https://home.hasslers.net/blog/index.php?d=18): Debunking the "long tailpipe" myth by analyzing the real source of grid power for EVs.
* [Why you still get wet when wearing GoreTex?](https://home.hasslers.net/motorcycle-articles/waterproof-breathable-conundrum.php): What does "breathable" really mean?

## Personal Projects
* [Zen and the Art of Motorcycle Maintenance Trip](https://home.hasslers.net/zmm/): A project site documenting Greg's 2020 re-creation of the classic ride across the U.S. with his daughter, completed entirely on an electric motorcycle.
* [Tesla Police Cars - The Best Police Vehicles](https://thebestpolicevehicle.com/): Expert analysis on why Tesla platforms are the superior choice for modern law enforcement and municipal fleets.

## Links
* [Official Personal Website](https://hasslers.com/)
* [Amazon Author Bio](https://www.amazon.com/author/gregoryjhassler)
* [LinkedIn Profile](https://www.linkedin.com/in/ghassler/)