About Us

Advanced Biogas Systems is a provider of customized processing equipment for the Biogas industry. ABS began informal operations in 2008 modifying and building equipment for Enerdyne Power Systems. In 2012, ABS launched its independent Asheville, North Carolina location, offering a wide range of biogas treatment systems including:

  • Carbon Dioxide Removal
  • Hydrogen Sulfide Removal Skids
  • Siloxane Treatment Skids
  • Oxygen Removal Skids
  • Dehydration Skids
  • Flare Skids
  • Custom fabrication to fit your project / site needs

What is Advanced Biogas Systems?

ABS manufactures equipment for sites throughout the country. We strive to maintain a first-class working relationship with all of our customers. Our team has years of experience with BioGas Systems and it shows in the quality and functionality of our finished products. Our goal is to supply safe, reliable, and economical systems to all of our customers. Simply put, we build systems like we own them.  You get the same level of quality that we use for all of our own systems.

Our Values


We support employees taking care of themselves and their families.  We encourage our employees to create a work life balance.  We foster a spirit of family in the way that we work together.


Positive relationships are built on trust, honesty, and integrity.  We tell the truth even when it is not comfortable.  Own up to your mistakes, we want to hear it from you.  Trust is hard to earn and easy to lose!


We show the same respect to others that we desire for them to show to us.  We will always be professional in the way we represent ourselves and our company.  We may not always agree, but we will always be respectful.


We do what we say we are going to do.   We are accountable.


We strive to leave our customers, employees, investors, communities, and environment in a better position than prior to our involvement.  We take care of our resources, time and assets.

Commitment To Excellence

We drive excellence through continuous improvement and innovation.



Service Area

With a nationwide scope, we provide biogas treatment systems through the entire country.  Let us build a system designed specifically for your needs.


Steve Allman

Director of Operations

Steve has over ten years of biogas processing, treatment and power generation experience and has assisted with the design, setup and implementation of dozens of end use and power generation projects. Steve currently manages the day to day operations of Advanced Biogas Systems as its Director of Operations. Steve is also the Technical Director for the Landfill Group where he assists in the training and technical support, and works on new project development. Mr. Allman has 17 years of experience in Plant Management, Process and Product Design Engineering with Perfection Gear, Inc., and seven years of experience as a manufacturing Process Engineer / Product Design engineer with Carolina Knife Inc.  He holds multiple industry qualifications and certifications and has been a licensed North Carolina electrician since 1987.

Terry Reno

Manufacturing Manager

By the age of 12 Terry Reno had already started his career, earning spending money by welding and fabricating equipment for local farmers near his home in rural Michigan. During his high school years, he learned to work on cars and motorcycles, including structural and body work. Mr. Reno attended Michigan Technological University, earning a bachelor’s degree in Metallurgical Engineering in 1983, and continuing his education at the postgraduate level with a focus on the structural strength of materials. Since then, Mr. Reno has enjoyed a long and successful career in Manufacturing, Quality Control, Engineering and IT. Mr. Reno also holds a US Patent for his bracket designs.

Mike Fenton

Director of Sales and Project Delivery

Mike is responsible for oversight of sales and project delivery for the Company and its operating divisions. Prior to joining the Landfill Group in 2018, Mike spent over 19 years with Caterpillar in its Michigan CAT dealership where he held many positions in sales and service. His involvement in biogas/RNG dates back to 2007 when he began oversight of sales and long-term operations of landfill gas-to-energy sites for Michigan CAT. In this role Mike oversaw sales and ongoing support for over 300MW of electrical generation from biogas projects across the country.


If you're the type of person who likes working hard but having a great work life balance and having fun while doing it, you might be a good fit for what we are looking for.  We enjoy building a family like atmosphere that allows everyone to excel. Let's talk about how you might be a fit for our team.
Join Our Team

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