Carl Lehrburger

Carl Lehrburger, also known as Carell, is an environmental activist, renewable energy entrepreneur, researcher and author. He is a founder and an executive manager of PureVision Technology, Inc. and PureHemp Technology LLC. Since founding PureVision in 1992 with his brother Ed Lehrburger, PureVision has developed and is now advancing a breakthrough biorefining technology.  Bear & Co. published his first book, Secrets of Ancient America in December, 2014.


Bachelor of Arts, University of Colorado (Sociology major), 1973.

Professional Experience

1996-present: PureVision Technology, Inc., Director, Corporate Secretary. Mr. Lehrburger also serves in a senior managment role inclusive of business development. 

2014-present: PureHemp Technology, LLC. Co-Founder, Secretary.

1992-1998: PureVision Technology, Inc. , Co-Founder, Director and President.

1989-1993: Waste management consultant and analyst for reusable textile industry.

1988-1992: Energy Answers Corporation (EAC), Recycling Manager.

1987-1995: Solid waste management consultant. Engaged in public and private sector recycling projects.

1981-1987: Participated in several recycling businesses (Denver, Colorado).

1974-1981: Solar Technology Corporation (Denver, Colorado).  Founder and CEO.

1973-1974: Director, Environmental Center, University of Colorado, Boulder CO.

Reports and Papers:

“An Emerging Biorefining Technology for the Pulp and Paper Industry",  Carl Lehrburger, Richard Wingerson PhD, Ed Lehrburger, World Renewable Energy Conference VIII, Denver CO, January 2004, Conference proceedings.

“An Emerging Biorefining Platform: Lignocellulosic Biomass Processing Using Reactive Fractionation Technology”, Richard Wingerson PhD, Ed Lehrburger, Carl Lehrburger. World Renewable Energy Conference VIII, Denver CO, January 2004, Conference proceedings.

  “Preliminary Feasibility Study: Recovering Cattle Manure Using the PureVision Technology”, April 2003, Report to Colorado Commission on Higher Education, grant GAA TAG 03-04

“USPS Denver Waste Characterization & Materials Management Study”, Jan. 12, 1998, completed with S. Goodman under contract to the U.S. Postal Service Western Area.

“Preliminary Feasibility Report on Producing Ethanol Fuel From U.S. Postal Service Paper Wastes: Phase I Investigative Study”, November 1, 1997, completed under contract to the U.S. Postal Service, Western Area.

“A Solid Waste and Laundering Assessment of Selected Reusable and Disposable Products”, Jocelyn Mullen and Carl Lehrburger, 1991.

“Diapers: Environmental Impacts and Lifecycle Analysis”, Carl Lehrburger, Jocelyn Mullen, C.V. Jones, January 1991 (Report to the National Association of Diaper Services).

“Diapers In the Waste Stream: A Review of Waste Management and Public Policy Issues”, Carl Lehrburger, Jan 1989.

“Out of Sight out of Mind: The Disposable Diaper Myth”, Carl Lehrburger and Rachel Snyder, Whole Earth Review, Fall 1988.

Articles by Carl Lehrburger on archaeoastronomy and ancient inscriptions.

Mr. Lehrburger has authored, Secrets of Ancients in America, along with the following articles.

Carl Lehrburger, 2005, 'Ancient Colorado Rock Art Site Employs Light Animation to Mark Equinoxes: Astronomical Alignments Predate Anasazi Civilization' Part One, In Ancient American, Issue 65, 10:12-17 download 1.2 MB, 6 page

Carl Lehrburger, 2006, 'Pathfinder Petroglyphs and Possible Associations with Native American Mythology' Part Two, In Ancient American, Issue 66, 10:15-19 download 1.8 MB, 5 pages

Carl Lehrburger, 2006, 'The Anubis Caves: Evidence of Mithraism and Celtic Religion in the Oklahoma Panhandle' Part One, In Ancient American, Issue 68, 11:8-12 download 1.8 MB, 4½ pages

Carl Lehrburger, 2006, 'The Anubis Caves: Mithraic Religion in the Oklahoma Panhandle' Part Two, In Ancient American, Issue 69, 11:26-30 download 1.7 MB.

Carl Lehrburger and Kean Scott Monahan, 2006, 'Evidence of Old World Travelers in Colorado: The Sun Temple and Crack Cave' in Ancient American, Issue 70, 11:2-17 download 11.5 MB, 7 pages, NEW

Carl Lehrburger April 2010 “Ancient Micro Art Discovery, California Heliolithic Petroglyph Animation Revealed on Equinox --Old World Origin Proposed” in Ancient American, Issue 87, 14:20-23.